121070077 has 4 divisors (see below), whose sum is σ = 121287996. Its totient is φ = 120852160.

The previous prime is 121070057. The next prime is 121070083. The reversal of 121070077 is 770070121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3976036 + 117094041 = 1994^2 + 10821^2 .

It is a cyclic number.

It is not a de Polignac number, because 121070077 - 2²³ = 112681469 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 (121070017) 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, 108124 + ... + 109237.

It is an arithmetic number, because the mean of its divisors is an integer number (30321999).

Almost surely, 2^121070077 is an apocalyptic number.

It is an amenable number.

121070077 is a deficient number, since it is larger than the sum of its proper divisors (217919).

121070077 is an equidigital number, since it uses as much as digits as its factorization.

121070077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217918.

The product of its (nonzero) digits is 686, while the sum is 25.

The square root of 121070077 is about 11003.1848571221. The cubic root of 121070077 is about 494.7042099114.

The spelling of 121070077 in words is "one hundred twenty-one million, seventy thousand, seventy-seven".