97477121 has 6 divisors (see below), whose sum is σ = 113391810. Its totient is φ = 83551776.

The previous prime is 97477117. The next prime is 97477139. The reversal of 97477121 is 12177479.

It can be written as a sum of positive squares in only one way, i.e., 89038096 + 8439025 = 9436^2 + 2905^2 .

It is not a de Polignac number, because 97477121 - 2² = 97477117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97077121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 994616 + ... + 994713.

It is an arithmetic number, because the mean of its divisors is an integer number (18898635).

Almost surely, 2^97477121 is an apocalyptic number.

It is an amenable number.

97477121 is a deficient number, since it is larger than the sum of its proper divisors (15914689).

97477121 is a wasteful number, since it uses less digits than its factorization.

97477121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989343 (or 1989336 counting only the distinct ones).

The product of its digits is 24696, while the sum is 38.

The square root of 97477121 is about 9873.0502378951. The cubic root of 97477121 is about 460.2222004635. Note that the first 4 decimals are identical.

The spelling of 97477121 in words is "ninety-seven million, four hundred seventy-seven thousand, one hundred twenty-one".