1255012152 has 32 divisors (see below), whose sum is σ = 3167998080. Its totient is φ = 414275040.

The previous prime is 1255012133. The next prime is 1255012159. The reversal of 1255012152 is 2512105521.

It is a super-2 number, since 2×1255012152² = 3150111003335342208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255012159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251374 + ... + 256317.

It is an arithmetic number, because the mean of its divisors is an integer number (98999940).

Almost surely, 2^1255012152 is an apocalyptic number.

1255012152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1255012152 is an abundant number, since it is smaller than the sum of its proper divisors (1912985928).

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

1255012152 is a wasteful number, since it uses less digits than its factorization.

1255012152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507803 (or 507799 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1255012152 is about 35426.1506799709. The cubic root of 1255012152 is about 1078.6552054703.

Adding to 1255012152 its reverse (2512105521), we get a palindrome (3767117673).

The spelling of 1255012152 in words is "one billion, two hundred fifty-five million, twelve thousand, one hundred fifty-two".