1012345677 has 24 divisors (see below), whose sum is σ = 1694074304. Its totient is φ = 570556224.

The previous prime is 1012345661. The next prime is 1012345693. The reversal of 1012345677 is 7765432101.

It is a happy number.

1012345677 is a `hidden beast` number, since 10 + 123 + 456 + 77 = 666.

It is an interprime number because it is at equal distance from previous prime (1012345661) and next prime (1012345693).

It is not a de Polignac number, because 1012345677 - 2⁴ = 1012345661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012345627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105463 + ... + 114660.

Almost surely, 2^1012345677 is an apocalyptic number.

It is an amenable number.

1012345677 is a deficient number, since it is larger than the sum of its proper divisors (681728627).

1012345677 is a wasteful number, since it uses less digits than its factorization.

1012345677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220209 (or 220206 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 1012345677 is about 31817.3801089907. The cubic root of 1012345677 is about 1004.0984057898.

Adding to 1012345677 its reverse (7765432101), we get a palindrome (8777777778).

The spelling of 1012345677 in words is "one billion, twelve million, three hundred forty-five thousand, six hundred seventy-seven".