126890195 has 16 divisors (see below), whose sum is σ = 160911360. Its totient is φ = 95862624.

The previous prime is 126890191. The next prime is 126890201. The reversal of 126890195 is 591098621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 126890195 - 2² = 126890191 is a prime.

It is a super-2 number, since 2×126890195² = 32202243174276050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126890191) 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, 2102 + ... + 16068.

It is an arithmetic number, because the mean of its divisors is an integer number (10056960).

Almost surely, 2^126890195 is an apocalyptic number.

126890195 is a deficient number, since it is larger than the sum of its proper divisors (34021165).

126890195 is a wasteful number, since it uses less digits than its factorization.

126890195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14074.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 126890195 is about 11264.5548070041. The cubic root of 126890195 is about 502.5076622348.

The spelling of 126890195 in words is "one hundred twenty-six million, eight hundred ninety thousand, one hundred ninety-five".