1290653404 has 12 divisors (see below), whose sum is σ = 2260208104. Its totient is φ = 644879664.

The previous prime is 1290653401. The next prime is 1290653423. The reversal of 1290653404 is 4043560921.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1290653404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290653401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105222 + ... + 116845.

Almost surely, 2^1290653404 is an apocalyptic number.

It is an amenable number.

1290653404 is a deficient number, since it is larger than the sum of its proper divisors (969554700).

1290653404 is a wasteful number, since it uses less digits than its factorization.

1290653404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223524 (or 223522 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1290653404 is about 35925.6649764482. The cubic root of 1290653404 is about 1088.7709975857.

The spelling of 1290653404 in words is "one billion, two hundred ninety million, six hundred fifty-three thousand, four hundred four".