1232028777 has 16 divisors (see below), whose sum is σ = 1987811712. Its totient is φ = 662603520.

The previous prime is 1232028757. The next prime is 1232028793. The reversal of 1232028777 is 7778202321.

It is a de Polignac number, because none of the positive numbers 2^k-1232028777 is a prime.

It is a super-2 number, since 2×1232028777² = 3035789814712231458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1232028757) 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, 1725174 + ... + 1725887.

It is an arithmetic number, because the mean of its divisors is an integer number (124238232).

Almost surely, 2^1232028777 is an apocalyptic number.

1232028777 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1232028777 is a deficient number, since it is larger than the sum of its proper divisors (755782935).

1232028777 is a wasteful number, since it uses less digits than its factorization.

1232028777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451088.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 1232028777 is about 35100.2674776133. The cubic root of 1232028777 is about 1072.0300288727.

The spelling of 1232028777 in words is "one billion, two hundred thirty-two million, twenty-eight thousand, seven hundred seventy-seven".