770256121 has 8 divisors (see below), whose sum is σ = 791535744. Its totient is φ = 749000880.

The previous prime is 770256103. The next prime is 770256139. The reversal of 770256121 is 121652077.

It is an interprime number because it is at equal distance from previous prime (770256103) and next prime (770256139).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 770256121 - 2¹¹ = 770254073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (770256161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71286 + ... + 81376.

It is an arithmetic number, because the mean of its divisors is an integer number (98941968).

Almost surely, 2^770256121 is an apocalyptic number.

It is an amenable number.

770256121 is a deficient number, since it is larger than the sum of its proper divisors (21279623).

770256121 is a wasteful number, since it uses less digits than its factorization.

770256121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12191.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 770256121 is about 27753.4884474006. The cubic root of 770256121 is about 916.6672582843.

The spelling of 770256121 in words is "seven hundred seventy million, two hundred fifty-six thousand, one hundred twenty-one".