770552121 has 16 divisors (see below), whose sum is σ = 1067040000. Its totient is φ = 494195328.

The previous prime is 770552077. The next prime is 770552143. The reversal of 770552121 is 121255077.

It is not a de Polignac number, because 770552121 - 2⁷ = 770551993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (770552171) 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, 29121 + ... + 48878.

It is an arithmetic number, because the mean of its divisors is an integer number (66690000).

Almost surely, 2^770552121 is an apocalyptic number.

It is an amenable number.

770552121 is a deficient number, since it is larger than the sum of its proper divisors (296487879).

770552121 is a wasteful number, since it uses less digits than its factorization.

770552121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78128.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 770552121 is about 27758.8205981450. The cubic root of 770552121 is about 916.7846645823.

The spelling of 770552121 in words is "seven hundred seventy million, five hundred fifty-two thousand, one hundred twenty-one".