126761161 has 8 divisors (see below), whose sum is σ = 128706048. Its totient is φ = 124830000.

The previous prime is 126761153. The next prime is 126761171. The reversal of 126761161 is 161167621.

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 126761161 - 2³ = 126761153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126761101) 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, 16006 + ... + 22576.

It is an arithmetic number, because the mean of its divisors is an integer number (16088256).

Almost surely, 2^126761161 is an apocalyptic number.

It is an amenable number.

126761161 is a deficient number, since it is larger than the sum of its proper divisors (1944887).

126761161 is a wasteful number, since it uses less digits than its factorization.

126761161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6863.

The product of its digits is 3024, while the sum is 31.

The square root of 126761161 is about 11258.8259156983. The cubic root of 126761161 is about 502.3372719620.

The spelling of 126761161 in words is "one hundred twenty-six million, seven hundred sixty-one thousand, one hundred sixty-one".