126851406 has 32 divisors (see below), whose sum is σ = 280281600. Its totient is φ = 37951680.

The previous prime is 126851377. The next prime is 126851407. The reversal of 126851406 is 604158621.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126851407) 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, 6951 + ... + 17378.

It is an arithmetic number, because the mean of its divisors is an integer number (8758800).

Almost surely, 2^126851406 is an apocalyptic number.

126851406 is an abundant number, since it is smaller than the sum of its proper divisors (153430194).

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

126851406 is a wasteful number, since it uses less digits than its factorization.

126851406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24424.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 126851406 is about 11262.8329473539. The cubic root of 126851406 is about 502.4564532447.

The spelling of 126851406 in words is "one hundred twenty-six million, eight hundred fifty-one thousand, four hundred six".