122277770 has 16 divisors (see below), whose sum is σ = 233047368. Its totient is φ = 46033920.

The previous prime is 122277769. The next prime is 122277803. The reversal of 122277770 is 77772221.

It can be written as a sum of positive squares in 4 ways, for example, as 73599241 + 48678529 = 8579^2 + 6977^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122277770.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359471 + ... + 359810.

Almost surely, 2^122277770 is an apocalyptic number.

122277770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122277770 is a deficient number, since it is larger than the sum of its proper divisors (110769598).

122277770 is a wasteful number, since it uses less digits than its factorization.

122277770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719305.

The product of its (nonzero) digits is 19208, while the sum is 35.

The square root of 122277770 is about 11057.9279252489. The cubic root of 122277770 is about 496.3436879373.

The spelling of 122277770 in words is "one hundred twenty-two million, two hundred seventy-seven thousand, seven hundred seventy".