127849801920 has 112 divisors (see below), whose sum is σ = 423572025600. Its totient is φ = 32610958336.

The previous prime is 127849801909. The next prime is 127849801931. The reversal of 127849801920 is 29108948721.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (127849801909) and next prime (127849801931).

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, 2873070 + ... + 2917229.

Almost surely, 2^127849801920 is an apocalyptic number.

127849801920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127849801920 is an abundant number, since it is smaller than the sum of its proper divisors (295722223680).

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

127849801920 is a wasteful number, since it uses less digits than its factorization.

127849801920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5790342 (or 5790332 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 127849801920 in words is "one hundred twenty-seven billion, eight hundred forty-nine million, eight hundred one thousand, nine hundred twenty".