1275125124 has 48 divisors (see below), whose sum is σ = 3661900928. Its totient is φ = 336296448.

The previous prime is 1275125119. The next prime is 1275125141. The reversal of 1275125124 is 4215215721.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1275125091 and 1275125100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582757 + ... + 584940.

Almost surely, 2^1275125124 is an apocalyptic number.

1275125124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1275125124 is an abundant number, since it is smaller than the sum of its proper divisors (2386775804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1275125124 is a wasteful number, since it uses less digits than its factorization.

1275125124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167724 (or 1167722 counting only the distinct ones).

The product of its digits is 5600, while the sum is 30.

The square root of 1275125124 is about 35708.8941861828. The cubic root of 1275125124 is about 1084.3869129393.

The spelling of 1275125124 in words is "one billion, two hundred seventy-five million, one hundred twenty-five thousand, one hundred twenty-four".