1223152125 has 64 divisors (see below), whose sum is σ = 2320980480. Its totient is φ = 566707200.

The previous prime is 1223152123. The next prime is 1223152127. The reversal of 1223152125 is 5212513221.

It is an interprime number because it is at equal distance from previous prime (1223152123) and next prime (1223152127).

It is not a de Polignac number, because 1223152125 - 2¹ = 1223152123 is a prime.

It is a super-2 number, since 2×1223152125² = 2992202241784031250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1223152095 and 1223152104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223152123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75496 + ... + 90254.

It is an arithmetic number, because the mean of its divisors is an integer number (36265320).

Almost surely, 2^1223152125 is an apocalyptic number.

1223152125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1223152125 is a deficient number, since it is larger than the sum of its proper divisors (1097828355).

1223152125 is a wasteful number, since it uses less digits than its factorization.

1223152125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14807 (or 14797 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 1223152125 is about 34973.5918229741. The cubic root of 1223152125 is about 1069.4491953588.

Adding to 1223152125 its reverse (5212513221), we get a palindrome (6435665346).

The spelling of 1223152125 in words is "one billion, two hundred twenty-three million, one hundred fifty-two thousand, one hundred twenty-five".