1047966156 has 144 divisors (see below), whose sum is σ = 2929530240. Its totient is φ = 314388480.

The previous prime is 1047966137. The next prime is 1047966169. The reversal of 1047966156 is 6516697401.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2431261 + ... + 2431691.

It is an arithmetic number, because the mean of its divisors is an integer number (20343960).

Almost surely, 2^1047966156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1047966156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1464765120).

1047966156 is an abundant number, since it is smaller than the sum of its proper divisors (1881564084).

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

1047966156 is a wasteful number, since it uses less digits than its factorization.

1047966156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 1047966156 is about 32372.3053859314. The cubic root of 1047966156 is about 1015.7396813282.

The spelling of 1047966156 in words is "one billion, forty-seven million, nine hundred sixty-six thousand, one hundred fifty-six".