120551406 has 32 divisors (see below), whose sum is σ = 246075648. Its totient is φ = 39363840.

The previous prime is 120551401. The next prime is 120551411. The reversal of 120551406 is 604155021.

It is an interprime number because it is at equal distance from previous prime (120551401) and next prime (120551411).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120551401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58941 + ... + 60951.

It is an arithmetic number, because the mean of its divisors is an integer number (7689864).

Almost surely, 2^120551406 is an apocalyptic number.

120551406 is an abundant number, since it is smaller than the sum of its proper divisors (125524242).

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

120551406 is a wasteful number, since it uses less digits than its factorization.

120551406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 120551406 is about 10979.5904295197. The cubic root of 120551406 is about 493.9967518240.

The spelling of 120551406 in words is "one hundred twenty million, five hundred fifty-one thousand, four hundred six".