126472707761 has 8 divisors (see below), whose sum is σ = 127710760320. Its totient is φ = 125235693648.

The previous prime is 126472707743. The next prime is 126472707773. The reversal of 126472707761 is 167707274621.

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-126472707761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126472707721) 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, 13706 + ... + 503123.

It is an arithmetic number, because the mean of its divisors is an integer number (15963845040).

Almost surely, 2^126472707761 is an apocalyptic number.

It is an amenable number.

126472707761 is a deficient number, since it is larger than the sum of its proper divisors (1238052559).

126472707761 is a wasteful number, since it uses less digits than its factorization.

126472707761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519223.

The product of its (nonzero) digits is 1382976, while the sum is 50.

The spelling of 126472707761 in words is "one hundred twenty-six billion, four hundred seventy-two million, seven hundred seven thousand, seven hundred sixty-one".