126141661 has 8 divisors (see below), whose sum is σ = 129739104. Its totient is φ = 122574480.

The previous prime is 126141641. The next prime is 126141679. The reversal of 126141661 is 166141621.

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

It is a cyclic number.

It is not a de Polignac number, because 126141661 - 2¹⁵ = 126108893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126141601) 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, 1026 + ... + 15916.

It is an arithmetic number, because the mean of its divisors is an integer number (16217388).

Almost surely, 2^126141661 is an apocalyptic number.

It is an amenable number.

126141661 is a deficient number, since it is larger than the sum of its proper divisors (3597443).

126141661 is a wasteful number, since it uses less digits than its factorization.

126141661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15131.

The product of its digits is 1728, while the sum is 28.

The square root of 126141661 is about 11231.2804701868. The cubic root of 126141661 is about 501.5176037640.

The spelling of 126141661 in words is "one hundred twenty-six million, one hundred forty-one thousand, six hundred sixty-one".