1204979712 has 96 divisors (see below), whose sum is σ = 3287924640. Its totient is φ = 392232960.

The previous prime is 1204979701. The next prime is 1204979723. The reversal of 1204979712 is 2179794021.

It is an interprime number because it is at equal distance from previous prime (1204979701) and next prime (1204979723).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1204979712² = 2903952212663205888, which contains 22 as substring.

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, 261912 + ... + 266472.

It is an arithmetic number, because the mean of its divisors is an integer number (34249215).

Almost surely, 2^1204979712 is an apocalyptic number.

1204979712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1204979712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1643962320).

1204979712 is an abundant number, since it is smaller than the sum of its proper divisors (2082944928).

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

1204979712 is an equidigital number, since it uses as much as digits as its factorization.

1204979712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629 (or 4609 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 1204979712 is about 34712.8176902999. The cubic root of 1204979712 is about 1064.1264665852.

The spelling of 1204979712 in words is "one billion, two hundred four million, nine hundred seventy-nine thousand, seven hundred twelve".