1201676056 has 32 divisors (see below), whose sum is σ = 2576874240. Its totient is φ = 514633248.

The previous prime is 1201676051. The next prime is 1201676057. The reversal of 1201676056 is 6506761021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201676051) 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, 79455 + ... + 93361.

It is an arithmetic number, because the mean of its divisors is an integer number (80527320).

Almost surely, 2^1201676056 is an apocalyptic number.

It is an amenable number.

1201676056 is an abundant number, since it is smaller than the sum of its proper divisors (1375198184).

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

1201676056 is a wasteful number, since it uses less digits than its factorization.

1201676056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15463 (or 15459 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1201676056 is about 34665.1994945940. The cubic root of 1201676056 is about 1063.1530821539.

The spelling of 1201676056 in words is "one billion, two hundred one million, six hundred seventy-six thousand, fifty-six".