1077215025 has 24 divisors (see below), whose sum is σ = 1790247520. Its totient is φ = 571530240.

The previous prime is 1077215021. The next prime is 1077215057. The reversal of 1077215025 is 5205127701.

It is not a de Polignac number, because 1077215025 - 2² = 1077215021 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1077214983 and 1077215001.

It is not an unprimeable number, because it can be changed into a prime (1077215021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22735 + ... + 51684.

Almost surely, 2^1077215025 is an apocalyptic number.

1077215025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1077215025 is a deficient number, since it is larger than the sum of its proper divisors (713032495).

1077215025 is a wasteful number, since it uses less digits than its factorization.

1077215025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74625 (or 74620 counting only the distinct ones).

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

The square root of 1077215025 is about 32820.9540537749. The cubic root of 1077215025 is about 1025.1029125304.

The spelling of 1077215025 in words is "one billion, seventy-seven million, two hundred fifteen thousand, twenty-five".