1255124500 has 48 divisors (see below), whose sum is σ = 3132799488. Its totient is φ = 430327200.

The previous prime is 1255124483. The next prime is 1255124531. The reversal of 1255124500 is 54215521.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175804 + ... + 182803.

It is an arithmetic number, because the mean of its divisors is an integer number (65266656).

Almost surely, 2^1255124500 is an apocalyptic number.

1255124500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255124500 is an abundant number, since it is smaller than the sum of its proper divisors (1877674988).

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

1255124500 is a wasteful number, since it uses less digits than its factorization.

1255124500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358633 (or 358621 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1255124500 is about 35427.7363092817. The cubic root of 1255124500 is about 1078.6873913842.

The spelling of 1255124500 in words is "one billion, two hundred fifty-five million, one hundred twenty-four thousand, five hundred".