1201425204 has 48 divisors (see below), whose sum is σ = 3205633536. Its totient is φ = 343068000.

The previous prime is 1201425191. The next prime is 1201425259. The reversal of 1201425204 is 4025241021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209779 + ... + 215429.

It is an arithmetic number, because the mean of its divisors is an integer number (66784032).

Almost surely, 2^1201425204 is an apocalyptic number.

1201425204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1201425204 is an abundant number, since it is smaller than the sum of its proper divisors (2004208332).

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

1201425204 is a wasteful number, since it uses less digits than its factorization.

1201425204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8196 (or 8194 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1201425204 is about 34661.5810949241. The cubic root of 1201425204 is about 1063.0790986441.

Adding to 1201425204 its reverse (4025241021), we get a palindrome (5226666225).

The spelling of 1201425204 in words is "one billion, two hundred one million, four hundred twenty-five thousand, two hundred four".