120881970 has 80 divisors (see below), whose sum is σ = 354613248. Its totient is φ = 29302560.

The previous prime is 120881963. The next prime is 120881977. The reversal of 120881970 is 79188021.

It is an interprime number because it is at equal distance from previous prime (120881963) and next prime (120881977).

It is a super-2 number, since 2×120881970² = 29224901342161800, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120881977) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2127 + ... + 15693.

Almost surely, 2^120881970 is an apocalyptic number.

120881970 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 120881970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177306624).

120881970 is an abundant number, since it is smaller than the sum of its proper divisors (233731278).

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

120881970 is a wasteful number, since it uses less digits than its factorization.

120881970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13597 (or 13588 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 120881970 is about 10994.6336910331. The cubic root of 120881970 is about 494.4478692221.

The spelling of 120881970 in words is "one hundred twenty million, eight hundred eighty-one thousand, nine hundred seventy".