121077087 has 4 divisors (see below), whose sum is σ = 161436120. Its totient is φ = 80718056.

The previous prime is 121077079. The next prime is 121077097. The reversal of 121077087 is 780770121.

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

It is a cyclic number.

It is not a de Polignac number, because 121077087 - 2³ = 121077079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121077007) 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, 20179512 + ... + 20179517.

It is an arithmetic number, because the mean of its divisors is an integer number (40359030).

Almost surely, 2^121077087 is an apocalyptic number.

121077087 is a deficient number, since it is larger than the sum of its proper divisors (40359033).

121077087 is an equidigital number, since it uses as much as digits as its factorization.

121077087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40359032.

The product of its (nonzero) digits is 5488, while the sum is 33.

The square root of 121077087 is about 11003.5033966460. The cubic root of 121077087 is about 494.7137575763.

The spelling of 121077087 in words is "one hundred twenty-one million, seventy-seven thousand, eighty-seven".