97801120 has 24 divisors (see below), whose sum is σ = 231055524. Its totient is φ = 39120384.

The previous prime is 97801097. The next prime is 97801127. The reversal of 97801120 is 2110879.

It can be written as a sum of positive squares in 2 ways, for example, as 90554256 + 7246864 = 9516^2 + 2692^2 .

It is not an unprimeable number, because it can be changed into a prime (97801127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305469 + ... + 305788.

Almost surely, 2^97801120 is an apocalyptic number.

It is an amenable number.

97801120 is an abundant number, since it is smaller than the sum of its proper divisors (133254404).

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

97801120 is a wasteful number, since it uses less digits than its factorization.

97801120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611272 (or 611264 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 97801120 is about 9889.4448782528. Note that the first 3 decimals coincide. The cubic root of 97801120 is about 460.7315392281.

Adding to 97801120 its reverse (2110879), we get a palindrome (99911999).

The spelling of 97801120 in words is "ninety-seven million, eight hundred one thousand, one hundred twenty".