1012151625 has 32 divisors (see below), whose sum is σ = 1725325056. Its totient is φ = 526640000.

The previous prime is 1012151617. The next prime is 1012151633. The reversal of 1012151625 is 5261512101.

It is an interprime number because it is at equal distance from previous prime (1012151617) and next prime (1012151633).

It is not a de Polignac number, because 1012151625 - 2³ = 1012151617 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1012151595 and 1012151604.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17541 + ... + 48290.

It is an arithmetic number, because the mean of its divisors is an integer number (53916408).

Almost surely, 2^1012151625 is an apocalyptic number.

1012151625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012151625 is a deficient number, since it is larger than the sum of its proper divisors (713173431).

1012151625 is an equidigital number, since it uses as much as digits as its factorization.

1012151625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65890 (or 65880 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 1012151625 is about 31814.3304974346. The cubic root of 1012151625 is about 1004.0342446508.

Adding to 1012151625 its reverse (5261512101), we get a palindrome (6273663726).

The spelling of 1012151625 in words is "one billion, twelve million, one hundred fifty-one thousand, six hundred twenty-five".