121420083 has 4 divisors (see below), whose sum is σ = 161893448. Its totient is φ = 80946720.

The previous prime is 121420043. The next prime is 121420109. The reversal of 121420083 is 380024121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 121420083 - 2⁸ = 121419827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121420043) 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, 20236678 + ... + 20236683.

It is an arithmetic number, because the mean of its divisors is an integer number (40473362).

Almost surely, 2^121420083 is an apocalyptic number.

121420083 is a deficient number, since it is larger than the sum of its proper divisors (40473365).

121420083 is an equidigital number, since it uses as much as digits as its factorization.

121420083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40473364.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 121420083 is about 11019.0781374850. The cubic root of 121420083 is about 495.1804708745.

The spelling of 121420083 in words is "one hundred twenty-one million, four hundred twenty thousand, eighty-three".