126949459 has 16 divisors (see below), whose sum is σ = 159884032. Its totient is φ = 98104608.

The previous prime is 126949451. The next prime is 126949477. The reversal of 126949459 is 954949621.

It is not a de Polignac number, because 126949459 - 2³ = 126949451 is a prime.

It is a super-2 number, since 2×126949459² = 32232330280785362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126949451) 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, 12309 + ... + 20134.

It is an arithmetic number, because the mean of its divisors is an integer number (9992752).

Almost surely, 2^126949459 is an apocalyptic number.

126949459 is a deficient number, since it is larger than the sum of its proper divisors (32934573).

126949459 is a wasteful number, since it uses less digits than its factorization.

126949459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32506.

The product of its digits is 699840, while the sum is 49.

The square root of 126949459 is about 11267.1850521770. The cubic root of 126949459 is about 502.5858820398.

The spelling of 126949459 in words is "one hundred twenty-six million, nine hundred forty-nine thousand, four hundred fifty-nine".