120887430 has 64 divisors (see below), whose sum is σ = 297285120. Its totient is φ = 31451904.

The previous prime is 120887419. The next prime is 120887441. The reversal of 120887430 is 34788021.

It is an interprime number because it is at equal distance from previous prime (120887419) and next prime (120887441).

It is a super-2 number, since 2×120887430² = 29227541464009800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120887391 and 120887400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275151 + ... + 275589.

It is an arithmetic number, because the mean of its divisors is an integer number (4645080).

Almost surely, 2^120887430 is an apocalyptic number.

120887430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120887430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148642560).

120887430 is an abundant number, since it is smaller than the sum of its proper divisors (176397690).

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

120887430 is a wasteful number, since it uses less digits than its factorization.

120887430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 120887430 is about 10994.8819911812. The cubic root of 120887430 is about 494.4553135215.

The spelling of 120887430 in words is "one hundred twenty million, eight hundred eighty-seven thousand, four hundred thirty".