1204479740 has 24 divisors (see below), whose sum is σ = 2553051312. Its totient is φ = 477288320.

The previous prime is 1204479721. The next prime is 1204479743. The reversal of 1204479740 is 479744021.

It is a junction number, because it is equal to n+sod(n) for n = 1204479694 and 1204479703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204479743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279281 + ... + 283560.

It is an arithmetic number, because the mean of its divisors is an integer number (106377138).

Almost surely, 2^1204479740 is an apocalyptic number.

1204479740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204479740 is an abundant number, since it is smaller than the sum of its proper divisors (1348571572).

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

1204479740 is a wasteful number, since it uses less digits than its factorization.

1204479740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562957 (or 562955 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 1204479740 is about 34705.6153957829. The cubic root of 1204479740 is about 1063.9792699053.

The spelling of 1204479740 in words is "one billion, two hundred four million, four hundred seventy-nine thousand, seven hundred forty".