121400097 has 24 divisors (see below), whose sum is σ = 202781376. Its totient is φ = 64034208.

The previous prime is 121400089. The next prime is 121400099. The reversal of 121400097 is 790004121.

It is not a de Polignac number, because 121400097 - 2³ = 121400089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121400099) 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, 29853 + ... + 33674.

It is an arithmetic number, because the mean of its divisors is an integer number (8449224).

Almost surely, 2^121400097 is an apocalyptic number.

It is an amenable number.

121400097 is a deficient number, since it is larger than the sum of its proper divisors (81381279).

121400097 is a wasteful number, since it uses less digits than its factorization.

121400097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63557 (or 63550 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 121400097 is about 11018.1712184918. The cubic root of 121400097 is about 495.1533001361.

The spelling of 121400097 in words is "one hundred twenty-one million, four hundred thousand, ninety-seven".