1361200456 has 32 divisors (see below), whose sum is σ = 3182028480. Its totient is φ = 530337600.

The previous prime is 1361200453. The next prime is 1361200481. The reversal of 1361200456 is 6540021631.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1361200453) 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, 1104255 + ... + 1105486.

It is an arithmetic number, because the mean of its divisors is an integer number (99438390).

Almost surely, 2^1361200456 is an apocalyptic number.

It is an amenable number.

1361200456 is an abundant number, since it is smaller than the sum of its proper divisors (1820828024).

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

1361200456 is a wasteful number, since it uses less digits than its factorization.

1361200456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209765 (or 2209761 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1361200456 is about 36894.4502059592. The cubic root of 1361200456 is about 1108.2575415613.

The spelling of 1361200456 in words is "one billion, three hundred sixty-one million, two hundred thousand, four hundred fifty-six".