1290534376 has 32 divisors (see below), whose sum is σ = 2480256000. Its totient is φ = 629306496.

The previous prime is 1290534373. The next prime is 1290534431. The reversal of 1290534376 is 6734350921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1290534373) 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, 49180 + ... + 70708.

It is an arithmetic number, because the mean of its divisors is an integer number (77508000).

Almost surely, 2^1290534376 is an apocalyptic number.

It is an amenable number.

1290534376 is a deficient number, since it is larger than the sum of its proper divisors (1189721624).

1290534376 is a wasteful number, since it uses less digits than its factorization.

1290534376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21721 (or 21717 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 1290534376 is about 35924.0083509622. The cubic root of 1290534376 is about 1088.7375266276.

The spelling of 1290534376 in words is "one billion, two hundred ninety million, five hundred thirty-four thousand, three hundred seventy-six".