120802890 has 48 divisors (see below), whose sum is σ = 313957728. Its totient is φ = 29734848.

The previous prime is 120802889. The next prime is 120802897. The reversal of 120802890 is 98208021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120802897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6844 + ... + 16983.

It is an arithmetic number, because the mean of its divisors is an integer number (6540786).

Almost surely, 2^120802890 is an apocalyptic number.

120802890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120802890 is an abundant number, since it is smaller than the sum of its proper divisors (193154838).

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

120802890 is a wasteful number, since it uses less digits than its factorization.

120802890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23863 (or 23850 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 120802890 is about 10991.0368027771. The cubic root of 120802890 is about 494.3400244456.

The spelling of 120802890 in words is "one hundred twenty million, eight hundred two thousand, eight hundred ninety".