1224975151 has 2 divisors, whose sum is σ = 1224975152. Its totient is φ = 1224975150.

The previous prime is 1224975149. The next prime is 1224975173. The reversal of 1224975151 is 1515794221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1224975151 - 2¹ = 1224975149 is a prime.

Together with 1224975149, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1224975151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224975121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612487575 + 612487576.

It is an arithmetic number, because the mean of its divisors is an integer number (612487576).

Almost surely, 2^1224975151 is an apocalyptic number.

1224975151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224975151 is an equidigital number, since it uses as much as digits as its factorization.

1224975151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 37.

The square root of 1224975151 is about 34999.6450124855. The cubic root of 1224975151 is about 1069.9802456539.

The spelling of 1224975151 in words is "one billion, two hundred twenty-four million, nine hundred seventy-five thousand, one hundred fifty-one".