1255454131 has 4 divisors (see below), whose sum is σ = 1329304392. Its totient is φ = 1181603872.

The previous prime is 1255454129. The next prime is 1255454143. The reversal of 1255454131 is 1314545521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1314545521 = 2203 ⋅596707.

It is a cyclic number.

It is not a de Polignac number, because 1255454131 - 2¹ = 1255454129 is a prime.

It is a super-2 number, since 2×1255454131² = 3152330150089930322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1255454093 and 1255454102.

It is not an unprimeable number, because it can be changed into a prime (1255457131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36925105 + ... + 36925138.

It is an arithmetic number, because the mean of its divisors is an integer number (332326098).

Almost surely, 2^1255454131 is an apocalyptic number.

1255454131 is a deficient number, since it is larger than the sum of its proper divisors (73850261).

1255454131 is an equidigital number, since it uses as much as digits as its factorization.

1255454131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73850260.

The product of its digits is 12000, while the sum is 31.

The square root of 1255454131 is about 35432.3881639384. The cubic root of 1255454131 is about 1078.7818143360.

Adding to 1255454131 its reverse (1314545521), we get a palindrome (2569999652).

The spelling of 1255454131 in words is "one billion, two hundred fifty-five million, four hundred fifty-four thousand, one hundred thirty-one".