3126806061 has 4 divisors (see below), whose sum is σ = 4169074752. Its totient is φ = 2084537372.

The previous prime is 3126806057. The next prime is 3126806099. The reversal of 3126806061 is 1606086213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3126806061 - 2² = 3126806057 is a prime.

It is a super-2 number, since 2×3126806061² = 19553832286212671442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3126806161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521134341 + ... + 521134346.

It is an arithmetic number, because the mean of its divisors is an integer number (1042268688).

Almost surely, 2^3126806061 is an apocalyptic number.

It is an amenable number.

3126806061 is a deficient number, since it is larger than the sum of its proper divisors (1042268691).

3126806061 is a wasteful number, since it uses less digits than its factorization.

3126806061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042268690.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 3126806061 is about 55917.8510048446. The cubic root of 3126806061 is about 1462.2904657661.

The spelling of 3126806061 in words is "three billion, one hundred twenty-six million, eight hundred six thousand, sixty-one".