111272947 has 2 divisors, whose sum is σ = 111272948. Its totient is φ = 111272946.

The previous prime is 111272927. The next prime is 111272963. The reversal of 111272947 is 749272111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111272947 is a prime.

It is not a weakly prime, because it can be changed into another prime (111272927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55636473 + 55636474.

It is an arithmetic number, because the mean of its divisors is an integer number (55636474).

Almost surely, 2^111272947 is an apocalyptic number.

111272947 is a deficient number, since it is larger than the sum of its proper divisors (1).

111272947 is an equidigital number, since it uses as much as digits as its factorization.

111272947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 34.

The square root of 111272947 is about 10548.5992909011. The cubic root of 111272947 is about 480.9831512807.

The spelling of 111272947 in words is "one hundred eleven million, two hundred seventy-two thousand, nine hundred forty-seven".