121052445 has 16 divisors (see below), whose sum is σ = 194118720. Its totient is φ = 64416384.

The previous prime is 121052443. The next prime is 121052447. The reversal of 121052445 is 544250121.

It is an interprime number because it is at equal distance from previous prime (121052443) and next prime (121052447).

It is not a de Polignac number, because 121052445 - 2¹ = 121052443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121052441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1975 + ... + 15684.

It is an arithmetic number, because the mean of its divisors is an integer number (12132420).

Almost surely, 2^121052445 is an apocalyptic number.

121052445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121052445 is a deficient number, since it is larger than the sum of its proper divisors (73066275).

121052445 is a wasteful number, since it uses less digits than its factorization.

121052445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18124.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 121052445 is about 11002.3836053830. The cubic root of 121052445 is about 494.6801933850.

The spelling of 121052445 in words is "one hundred twenty-one million, fifty-two thousand, four hundred forty-five".