1204520880 has 40 divisors (see below), whose sum is σ = 3734015472. Its totient is φ = 321205504.

The previous prime is 1204520869. The next prime is 1204520957. The reversal of 1204520880 is 880254021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2509179 + ... + 2509658.

Almost surely, 2^1204520880 is an apocalyptic number.

1204520880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204520880 is an abundant number, since it is smaller than the sum of its proper divisors (2529494592).

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

1204520880 is a wasteful number, since it uses less digits than its factorization.

1204520880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018853 (or 5018847 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 1204520880 is about 34706.2080901962. The cubic root of 1204520880 is about 1063.9913834642.

The spelling of 1204520880 in words is "one billion, two hundred four million, five hundred twenty thousand, eight hundred eighty".