122777330 has 32 divisors (see below), whose sum is σ = 238917168. Its totient is φ = 45158400.

The previous prime is 122777327. The next prime is 122777357. The reversal of 122777330 is 33777221.

It can be written as a sum of positive squares in 8 ways, for example, as 55815841 + 66961489 = 7471^2 + 8183^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34850 + ... + 38210.

Almost surely, 2^122777330 is an apocalyptic number.

122777330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122777330 is a deficient number, since it is larger than the sum of its proper divisors (116139838).

122777330 is a wasteful number, since it uses less digits than its factorization.

122777330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3662.

The product of its (nonzero) digits is 12348, while the sum is 32.

The square root of 122777330 is about 11080.4932200692. The cubic root of 122777330 is about 497.0186990200.

The spelling of 122777330 in words is "one hundred twenty-two million, seven hundred seventy-seven thousand, three hundred thirty".