1125343422 has 32 divisors (see below), whose sum is σ = 2858016000. Its totient is φ = 321526584.

The previous prime is 1125343319. The next prime is 1125343423. The reversal of 1125343422 is 2243435211.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125343423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1488172 + ... + 1488927.

It is an arithmetic number, because the mean of its divisors is an integer number (89313000).

Almost surely, 2^1125343422 is an apocalyptic number.

1125343422 is an abundant number, since it is smaller than the sum of its proper divisors (1732672578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125343422 is a wasteful number, since it uses less digits than its factorization.

1125343422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977117 (or 2977111 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 1125343422 is about 33546.1387047750. The cubic root of 1125343422 is about 1040.1477298772.

Adding to 1125343422 its reverse (2243435211), we get a palindrome (3368778633).

The spelling of 1125343422 in words is "one billion, one hundred twenty-five million, three hundred forty-three thousand, four hundred twenty-two".