120551430 has 48 divisors (see below), whose sum is σ = 292887504. Its totient is φ = 31754880.

The previous prime is 120551429. The next prime is 120551449. The reversal of 120551430 is 34155021.

It is a junction number, because it is equal to n+sod(n) for n = 120551397 and 120551406.

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, 665940 + ... + 666120.

It is an arithmetic number, because the mean of its divisors is an integer number (6101823).

Almost surely, 2^120551430 is an apocalyptic number.

120551430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120551430 is an abundant number, since it is smaller than the sum of its proper divisors (172336074).

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

120551430 is a wasteful number, since it uses less digits than its factorization.

120551430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 120551430 is about 10979.5915224566. The cubic root of 120551430 is about 493.9967846065.

The spelling of 120551430 in words is "one hundred twenty million, five hundred fifty-one thousand, four hundred thirty".