126890441 has 8 divisors (see below), whose sum is σ = 128931264. Its totient is φ = 124865200.

The previous prime is 126890411. The next prime is 126890507. The reversal of 126890441 is 144098621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126890441 is a prime.

It is a super-2 number, since 2×126890441² = 32202368034348962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126890411) 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, 13106 + ... + 20628.

It is an arithmetic number, because the mean of its divisors is an integer number (16116408).

Almost surely, 2^126890441 is an apocalyptic number.

It is an amenable number.

126890441 is a deficient number, since it is larger than the sum of its proper divisors (2040823).

126890441 is a wasteful number, since it uses less digits than its factorization.

126890441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7791.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 126890441 is about 11264.5657262053. The cubic root of 126890441 is about 502.5079869691.

The spelling of 126890441 in words is "one hundred twenty-six million, eight hundred ninety thousand, four hundred forty-one".