1245224122 has 16 divisors (see below), whose sum is σ = 1920938760. Its totient is φ = 604957248.

The previous prime is 1245224119. The next prime is 1245224137. The reversal of 1245224122 is 2214225421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1183428801 + 61795321 = 34401^2 + 7861^2 .

It is a super-2 number, since 2×1245224122² = 3101166228021341768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44904 + ... + 67132.

Almost surely, 2^1245224122 is an apocalyptic number.

1245224122 is a deficient number, since it is larger than the sum of its proper divisors (675714638).

1245224122 is a wasteful number, since it uses less digits than its factorization.

1245224122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23025.

The product of its digits is 2560, while the sum is 25.

The square root of 1245224122 is about 35287.7333077657. The cubic root of 1245224122 is about 1075.8436851140.

Adding to 1245224122 its reverse (2214225421), we get a palindrome (3459449543).

The spelling of 1245224122 in words is "one billion, two hundred forty-five million, two hundred twenty-four thousand, one hundred twenty-two".