126904623 has 16 divisors (see below), whose sum is σ = 171171840. Its totient is φ = 83625696.

The previous prime is 126904579. The next prime is 126904649. The reversal of 126904623 is 326409621.

It is not a de Polignac number, because 126904623 - 2⁸ = 126904367 is a prime.

It is a super-2 number, since 2×126904623² = 32209566677544258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126904663) 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, 150838 + ... + 151676.

It is an arithmetic number, because the mean of its divisors is an integer number (10698240).

Almost surely, 2^126904623 is an apocalyptic number.

126904623 is a deficient number, since it is larger than the sum of its proper divisors (44267217).

126904623 is a wasteful number, since it uses less digits than its factorization.

126904623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 126904623 is about 11265.1952047002. The cubic root of 126904623 is about 502.5267073253.

The spelling of 126904623 in words is "one hundred twenty-six million, nine hundred four thousand, six hundred twenty-three".