3126761 has 6 divisors (see below), whose sum is σ = 3436986. Its totient is φ = 2842400.

The previous prime is 3126749. The next prime is 3126779. The reversal of 3126761 is 1676213.

It can be written as a sum of positive squares in only one way, i.e., 2371600 + 755161 = 1540^2 + 869^2 .

It is not a de Polignac number, because 3126761 - 2¹⁰ = 3125737 is a prime.

It is a super-2 number, since 2×3126761² = 19553268702242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3126761.

It is not an unprimeable number, because it can be changed into a prime (3126731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12800 + ... + 13041.

It is an arithmetic number, because the mean of its divisors is an integer number (572831).

Almost surely, 2^3126761 is an apocalyptic number.

It is an amenable number.

3126761 is a deficient number, since it is larger than the sum of its proper divisors (310225).

3126761 is a wasteful number, since it uses less digits than its factorization.

3126761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25863 (or 25852 counting only the distinct ones).

The product of its digits is 1512, while the sum is 26.

The square root of 3126761 is about 1768.2649688324. The cubic root of 3126761 is about 146.2283441283.

The spelling of 3126761 in words is "three million, one hundred twenty-six thousand, seven hundred sixty-one".