121048981 has 4 divisors (see below), whose sum is σ = 127420000. Its totient is φ = 114677964.

The previous prime is 121048951. The next prime is 121048997. The reversal of 121048981 is 189840121.

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 not a de Polignac number, because 121048981 - 2¹⁵ = 121016213 is a prime.

It is a super-2 number, since 2×121048981² = 29305711602276722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121048951) 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, 3185481 + ... + 3185518.

It is an arithmetic number, because the mean of its divisors is an integer number (31855000).

Almost surely, 2^121048981 is an apocalyptic number.

It is an amenable number.

121048981 is a deficient number, since it is larger than the sum of its proper divisors (6371019).

121048981 is an equidigital number, since it uses as much as digits as its factorization.

121048981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6371018.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 121048981 is about 11002.2261838230. The cubic root of 121048981 is about 494.6754748006.

The spelling of 121048981 in words is "one hundred twenty-one million, forty-eight thousand, nine hundred eighty-one".