1255434131 has 8 divisors (see below), whose sum is σ = 1435176960. Its totient is φ = 1075790088.

The previous prime is 1255434127. The next prime is 1255434133. The reversal of 1255434131 is 1314345521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1255434131 - 2² = 1255434127 is a prime.

It is a super-2 number, since 2×1255434131² = 3152229714559450322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1255434094 and 1255434103.

It is not an unprimeable number, because it can be changed into a prime (1255434133) 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, 4910 + ... + 50348.

It is an arithmetic number, because the mean of its divisors is an integer number (179397120).

Almost surely, 2^1255434131 is an apocalyptic number.

1255434131 is a deficient number, since it is larger than the sum of its proper divisors (179742829).

1255434131 is an equidigital number, since it uses as much as digits as its factorization.

1255434131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49393.

The product of its digits is 7200, while the sum is 29.

The square root of 1255434131 is about 35432.1059351543. The cubic root of 1255434131 is about 1078.7760857978.

Adding to 1255434131 its reverse (1314345521), we get a palindrome (2569779652).

The spelling of 1255434131 in words is "one billion, two hundred fifty-five million, four hundred thirty-four thousand, one hundred thirty-one".