126723894 has 32 divisors (see below), whose sum is σ = 276943104. Its totient is φ = 38338080.

The previous prime is 126723893. The next prime is 126723911. The reversal of 126723894 is 498327621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126723893) 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, 53152 + ... + 55484.

It is an arithmetic number, because the mean of its divisors is an integer number (8654472).

Almost surely, 2^126723894 is an apocalyptic number.

126723894 is an abundant number, since it is smaller than the sum of its proper divisors (150219210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126723894 is a wasteful number, since it uses less digits than its factorization.

126723894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172.

The product of its digits is 145152, while the sum is 42.

The square root of 126723894 is about 11257.1707813287. The cubic root of 126723894 is about 502.2880391164.

The spelling of 126723894 in words is "one hundred twenty-six million, seven hundred twenty-three thousand, eight hundred ninety-four".