1290975234 has 16 divisors (see below), whose sum is σ = 2694209472. Its totient is φ = 411615248.

The previous prime is 1290975227. The next prime is 1290975239. The reversal of 1290975234 is 4325790921.

It is not an unprimeable number, because it can be changed into a prime (1290975239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4677309 + ... + 4677584.

It is an arithmetic number, because the mean of its divisors is an integer number (168388092).

Almost surely, 2^1290975234 is an apocalyptic number.

1290975234 is an abundant number, since it is smaller than the sum of its proper divisors (1403234238).

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

1290975234 is a wasteful number, since it uses less digits than its factorization.

1290975234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9354921.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 1290975234 is about 35930.1438071155. The cubic root of 1290975234 is about 1088.8614866483.

The spelling of 1290975234 in words is "one billion, two hundred ninety million, nine hundred seventy-five thousand, two hundred thirty-four".