121424097 has 4 divisors (see below), whose sum is σ = 161898800. Its totient is φ = 80949396.

The previous prime is 121424087. The next prime is 121424101. The reversal of 121424097 is 790424121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 121424097 - 2¹⁰ = 121423073 is a prime.

It is a super-2 number, since 2×121424097² = 29487622664530818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121424057) 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, 20237347 + ... + 20237352.

It is an arithmetic number, because the mean of its divisors is an integer number (40474700).

Almost surely, 2^121424097 is an apocalyptic number.

It is an amenable number.

121424097 is a deficient number, since it is larger than the sum of its proper divisors (40474703).

121424097 is an equidigital number, since it uses as much as digits as its factorization.

121424097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40474702.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 121424097 is about 11019.2602746282. The cubic root of 121424097 is about 495.1859275020.

The spelling of 121424097 in words is "one hundred twenty-one million, four hundred twenty-four thousand, ninety-seven".