126734654 has 16 divisors (see below), whose sum is σ = 197054208. Its totient is φ = 61090392.

The previous prime is 126734651. The next prime is 126734681. The reversal of 126734654 is 456437621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126734651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3764 + ... + 16359.

It is an arithmetic number, because the mean of its divisors is an integer number (12315888).

Almost surely, 2^126734654 is an apocalyptic number.

126734654 is a deficient number, since it is larger than the sum of its proper divisors (70319554).

126734654 is a wasteful number, since it uses less digits than its factorization.

126734654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20239.

The product of its digits is 120960, while the sum is 38.

The square root of 126734654 is about 11257.6486887804. The cubic root of 126734654 is about 502.3022549736.

The spelling of 126734654 in words is "one hundred twenty-six million, seven hundred thirty-four thousand, six hundred fifty-four".