1203997884 has 12 divisors (see below), whose sum is σ = 2809328424. Its totient is φ = 401332624.

The previous prime is 1203997877. The next prime is 1203997903. The reversal of 1203997884 is 4887993021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1203997884² = 2899221809352954912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50166567 + ... + 50166590.

It is an arithmetic number, because the mean of its divisors is an integer number (234110702).

Almost surely, 2^1203997884 is an apocalyptic number.

It is an amenable number.

1203997884 is an abundant number, since it is smaller than the sum of its proper divisors (1605330540).

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

1203997884 is a wasteful number, since it uses less digits than its factorization.

1203997884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100333164 (or 100333162 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 1203997884 is about 34698.6726547285. The cubic root of 1203997884 is about 1063.8373682028.

The spelling of 1203997884 in words is "one billion, two hundred three million, nine hundred ninety-seven thousand, eight hundred eighty-four".