3972260129 has 8 divisors (see below), whose sum is σ = 4021174080. Its totient is φ = 3923636976.

The previous prime is 3972260107. The next prime is 3972260147. The reversal of 3972260129 is 9210622793.

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-3972260129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3972260329) 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, 45149 + ... + 99914.

It is an arithmetic number, because the mean of its divisors is an integer number (502646760).

Almost surely, 2^3972260129 is an apocalyptic number.

It is an amenable number.

3972260129 is a deficient number, since it is larger than the sum of its proper divisors (48913951).

3972260129 is a wasteful number, since it uses less digits than its factorization.

3972260129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145399.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 3972260129 is about 63025.8687286419. The cubic root of 3972260129 is about 1583.7230114214.

The spelling of 3972260129 in words is "three billion, nine hundred seventy-two million, two hundred sixty thousand, one hundred twenty-nine".