120406277551 has 8 divisors (see below), whose sum is σ = 137613155744. Its totient is φ = 103200894720.

The previous prime is 120406277543. The next prime is 120406277573. The reversal of 120406277551 is 155772604021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120406277551 - 2³ = 120406277543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120406277591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195630 + ... + 528283.

It is an arithmetic number, because the mean of its divisors is an integer number (17201644468).

Almost surely, 2^120406277551 is an apocalyptic number.

120406277551 is a deficient number, since it is larger than the sum of its proper divisors (17206878193).

120406277551 is an equidigital number, since it uses as much as digits as its factorization.

120406277551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747681.

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 120406277551 in words is "one hundred twenty billion, four hundred six million, two hundred seventy-seven thousand, five hundred fifty-one".