120886390 has 16 divisors (see below), whose sum is σ = 227056608. Its totient is φ = 46252096.

The previous prime is 120886387. The next prime is 120886399. The reversal of 120886390 is 93688021.

It is a super-2 number, since 2×120886390² = 29227038574464200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120886399) 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, 262567 + ... + 263026.

It is an arithmetic number, because the mean of its divisors is an integer number (14191038).

Almost surely, 2^120886390 is an apocalyptic number.

120886390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120886390 is a deficient number, since it is larger than the sum of its proper divisors (106170218).

120886390 is a wasteful number, since it uses less digits than its factorization.

120886390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525623.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 120886390 is about 10994.8346963472. The cubic root of 120886390 is about 494.4538955770.

The spelling of 120886390 in words is "one hundred twenty million, eight hundred eighty-six thousand, three hundred ninety".