11902271 has 8 divisors (see below), whose sum is σ = 12509904. Its totient is φ = 11309760.

The previous prime is 11902249. The next prime is 11902277. The reversal of 11902271 is 17220911.

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 11902271 - 2⁶ = 11902207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11902277) 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, 2150 + ... + 5331.

It is an arithmetic number, because the mean of its divisors is an integer number (1563738).

Almost surely, 2^11902271 is an apocalyptic number.

11902271 is a deficient number, since it is larger than the sum of its proper divisors (607633).

11902271 is an equidigital number, since it uses as much as digits as its factorization.

11902271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7561.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 11902271 is about 3449.9668114346. The cubic root of 11902271 is about 228.3196437468.

The spelling of 11902271 in words is "eleven million, nine hundred two thousand, two hundred seventy-one".