121472983 has 4 divisors (see below), whose sum is σ = 122083600. Its totient is φ = 120862368.

The previous prime is 121472971. The next prime is 121472993. The reversal of 121472983 is 389274121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389274121 = 157 ⋅2479453.

It is a cyclic number.

It is not a de Polignac number, because 121472983 - 2⁵ = 121472951 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121472903) 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, 305010 + ... + 305407.

It is an arithmetic number, because the mean of its divisors is an integer number (30520900).

Almost surely, 2^121472983 is an apocalyptic number.

121472983 is a deficient number, since it is larger than the sum of its proper divisors (610617).

121472983 is an equidigital number, since it uses as much as digits as its factorization.

121472983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610616.

The product of its digits is 24192, while the sum is 37.

The square root of 121472983 is about 11021.4782583826. The cubic root of 121472983 is about 495.2523734324.

The spelling of 121472983 in words is "one hundred twenty-one million, four hundred seventy-two thousand, nine hundred eighty-three".