126870345 has 24 divisors (see below), whose sum is σ = 251324736. Its totient is φ = 57997728.

The previous prime is 126870313. The next prime is 126870347. The reversal of 126870345 is 543078621.

It is not a de Polignac number, because 126870345 - 2⁵ = 126870313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126870347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201067 + ... + 201696.

It is an arithmetic number, because the mean of its divisors is an integer number (10471864).

Almost surely, 2^126870345 is an apocalyptic number.

126870345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126870345 is a deficient number, since it is larger than the sum of its proper divisors (124454391).

126870345 is a wasteful number, since it uses less digits than its factorization.

126870345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402781 (or 402778 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 126870345 is about 11263.6736902309. The cubic root of 126870345 is about 502.4814576955.

The spelling of 126870345 in words is "one hundred twenty-six million, eight hundred seventy thousand, three hundred forty-five".