1255136060 has 24 divisors (see below), whose sum is σ = 2720812416. Its totient is φ = 485858880.

The previous prime is 1255136033. The next prime is 1255136093. The reversal of 1255136060 is 606315521.

It is a super-2 number, since 2×1255136060² = 3150733058224647200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 1011587 + ... + 1012826.

It is an arithmetic number, because the mean of its divisors is an integer number (113367184).

Almost surely, 2^1255136060 is an apocalyptic number.

1255136060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255136060 is an abundant number, since it is smaller than the sum of its proper divisors (1465676356).

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

1255136060 is a wasteful number, since it uses less digits than its factorization.

1255136060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024453 (or 2024451 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1255136060 is about 35427.8994579131. The cubic root of 1255136060 is about 1078.6907030312.

The spelling of 1255136060 in words is "one billion, two hundred fifty-five million, one hundred thirty-six thousand, sixty".