1222124151 has 8 divisors (see below), whose sum is σ = 1633020160. Its totient is φ = 812988792.

The previous prime is 1222124143. The next prime is 1222124161. The reversal of 1222124151 is 1514212221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1222124151 - 2³ = 1222124143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222124161) 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, 438541 + ... + 441318.

It is an arithmetic number, because the mean of its divisors is an integer number (204127520).

Almost surely, 2^1222124151 is an apocalyptic number.

1222124151 is a deficient number, since it is larger than the sum of its proper divisors (410896009).

1222124151 is an equidigital number, since it uses as much as digits as its factorization.

1222124151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880325.

The product of its digits is 320, while the sum is 21.

The square root of 1222124151 is about 34958.8923022455. The cubic root of 1222124151 is about 1069.1495122508.

Adding to 1222124151 its reverse (1514212221), we get a palindrome (2736336372).

The spelling of 1222124151 in words is "one billion, two hundred twenty-two million, one hundred twenty-four thousand, one hundred fifty-one".