121082501 has 4 divisors (see below), whose sum is σ = 121165632. Its totient is φ = 120999372.

The previous prime is 121082461. The next prime is 121082513. The reversal of 121082501 is 105280121.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121082501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121082531) 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, 39341 + ... + 42306.

It is an arithmetic number, because the mean of its divisors is an integer number (30291408).

Almost surely, 2^121082501 is an apocalyptic number.

It is an amenable number.

121082501 is a deficient number, since it is larger than the sum of its proper divisors (83131).

121082501 is an equidigital number, since it uses as much as digits as its factorization.

121082501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83130.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 121082501 is about 11003.7494064523. The cubic root of 121082501 is about 494.7211312268.

The spelling of 121082501 in words is "one hundred twenty-one million, eighty-two thousand, five hundred one".