1046121656 has 32 divisors (see below), whose sum is σ = 2078498880. Its totient is φ = 491904000.

The previous prime is 1046121653. The next prime is 1046121667. The reversal of 1046121656 is 6561216401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046121653) 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, 242801 + ... + 247071.

It is an arithmetic number, because the mean of its divisors is an integer number (64953090).

Almost surely, 2^1046121656 is an apocalyptic number.

It is an amenable number.

1046121656 is a deficient number, since it is larger than the sum of its proper divisors (1032377224).

1046121656 is a wasteful number, since it uses less digits than its factorization.

1046121656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6095 (or 6091 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1046121656 is about 32343.8039815975. The cubic root of 1046121656 is about 1015.1434050415.

The spelling of 1046121656 in words is "one billion, forty-six million, one hundred twenty-one thousand, six hundred fifty-six".