1204450120 has 64 divisors (see below), whose sum is σ = 2737793520. Its totient is φ = 476872704.

The previous prime is 1204450111. The next prime is 1204450123. The reversal of 1204450120 is 210544021.

It can be written as a sum of positive squares in 8 ways, for example, as 579750084 + 624700036 = 24078^2 + 24994^2 .

It is not an unprimeable number, because it can be changed into a prime (1204450123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2781424 + ... + 2781856.

Almost surely, 2^1204450120 is an apocalyptic number.

1204450120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204450120 is an abundant number, since it is smaller than the sum of its proper divisors (1533343400).

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

1204450120 is a wasteful number, since it uses less digits than its factorization.

1204450120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1204450120 is about 34705.1886610633. The cubic root of 1204450120 is about 1063.9705482077.

Adding to 1204450120 its reverse (210544021), we get a palindrome (1414994141).

The spelling of 1204450120 in words is "one billion, two hundred four million, four hundred fifty thousand, one hundred twenty".