126858440 has 32 divisors (see below), whose sum is σ = 300456000. Its totient is φ = 48072384.

The previous prime is 126858427. The next prime is 126858449. The reversal of 126858440 is 44858621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 126858394 and 126858403.

It is not an unprimeable number, because it can be changed into a prime (126858449) 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, 82700 + ... + 84219.

It is an arithmetic number, because the mean of its divisors is an integer number (9389250).

Almost surely, 2^126858440 is an apocalyptic number.

126858440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126858440 is an abundant number, since it is smaller than the sum of its proper divisors (173597560).

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

126858440 is a wasteful number, since it uses less digits than its factorization.

126858440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166949 (or 166945 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 126858440 is about 11263.1452090435. The cubic root of 126858440 is about 502.4657402614.

The spelling of 126858440 in words is "one hundred twenty-six million, eight hundred fifty-eight thousand, four hundred forty".