1201204100 has 36 divisors (see below), whose sum is σ = 2627165184. Its totient is φ = 476693280.

The previous prime is 1201204093. The next prime is 1201204153. The reversal of 1201204100 is 14021021.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34592 + ... + 59991.

Almost surely, 2^1201204100 is an apocalyptic number.

1201204100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201204100 is an abundant number, since it is smaller than the sum of its proper divisors (1425961084).

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

1201204100 is a wasteful number, since it uses less digits than its factorization.

1201204100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94724 (or 94717 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1201204100 is about 34658.3914802750. The cubic root of 1201204100 is about 1063.0138801405.

Adding to 1201204100 its reverse (14021021), we get a palindrome (1215225121).

The spelling of 1201204100 in words is "one billion, two hundred one million, two hundred four thousand, one hundred".