1201839480 has 96 divisors (see below), whose sum is σ = 4135762800. Its totient is φ = 301636608.

The previous prime is 1201839479. The next prime is 1201839503. The reversal of 1201839480 is 849381021.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92070 + ... + 104309.

Almost surely, 2^1201839480 is an apocalyptic number.

1201839480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201839480 is an abundant number, since it is smaller than the sum of its proper divisors (2933923320).

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

1201839480 is a wasteful number, since it uses less digits than its factorization.

1201839480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196413 (or 196406 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1201839480 is about 34667.5565911415. The cubic root of 1201839480 is about 1063.2012750793.

The spelling of 1201839480 in words is "one billion, two hundred one million, eight hundred thirty-nine thousand, four hundred eighty".