1298442131 has 12 divisors (see below), whose sum is σ = 1511250120. Its totient is φ = 1112348160.

The previous prime is 1298442113. The next prime is 1298442139. The reversal of 1298442131 is 1312448921.

It is a de Polignac number, because none of the positive numbers 2^k-1298442131 is a prime.

It is a super-3 number, since 3×1298442131³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1298442091 and 1298442100.

It is not an unprimeable number, because it can be changed into a prime (1298442139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100691 + ... + 112851.

It is an arithmetic number, because the mean of its divisors is an integer number (125937510).

Almost surely, 2^1298442131 is an apocalyptic number.

1298442131 is a deficient number, since it is larger than the sum of its proper divisors (212807989).

1298442131 is a wasteful number, since it uses less digits than its factorization.

1298442131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14354 (or 14347 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 1298442131 is about 36033.9025224857. The cubic root of 1298442131 is about 1090.9567479940.

The spelling of 1298442131 in words is "one billion, two hundred ninety-eight million, four hundred forty-two thousand, one hundred thirty-one".