11272129 has 16 divisors (see below), whose sum is σ = 12695616. Its totient is φ = 9921600.

The previous prime is 11272123. The next prime is 11272169. The reversal of 11272129 is 92127211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11272129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11272123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71719 + ... + 71875.

It is an arithmetic number, because the mean of its divisors is an integer number (793476).

Almost surely, 2^11272129 is an apocalyptic number.

It is an amenable number.

11272129 is a deficient number, since it is larger than the sum of its proper divisors (1423487).

11272129 is a wasteful number, since it uses less digits than its factorization.

11272129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336.

The product of its digits is 504, while the sum is 25.

The square root of 11272129 is about 3357.3991421933. The cubic root of 11272129 is about 224.2170581487.

The spelling of 11272129 in words is "eleven million, two hundred seventy-two thousand, one hundred twenty-nine".