1270000125 has 24 divisors (see below), whose sum is σ = 2289388920. Its totient is φ = 677332800.

The previous prime is 1270000087. The next prime is 1270000163. The reversal of 1270000125 is 5210000721.

It is an interprime number because it is at equal distance from previous prime (1270000087) and next prime (1270000163).

It can be written as a sum of positive squares in 4 ways, for example, as 4356 + 1269995769 = 66^2 + 35637^2 .

It is not a de Polignac number, because 1270000125 - 2⁹ = 1269999613 is a prime.

It is a super-2 number, since 2×1270000125² = 3225800635000031250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1270000098 and 1270000107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 563320 + ... + 565569.

It is an arithmetic number, because the mean of its divisors is an integer number (95391205).

Almost surely, 2^1270000125 is an apocalyptic number.

1270000125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1270000125 is a deficient number, since it is larger than the sum of its proper divisors (1019388795).

1270000125 is a wasteful number, since it uses less digits than its factorization.

1270000125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128910 (or 1128897 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1270000125 is about 35637.0611162032. The cubic root of 1270000125 is about 1082.9321683613.

Adding to 1270000125 its reverse (5210000721), we get a palindrome (6480000846).

The spelling of 1270000125 in words is "one billion, two hundred seventy million, one hundred twenty-five", and thus it is an aban number.