1125214442 has 32 divisors (see below), whose sum is σ = 1911928320. Its totient is φ = 491964480.

The previous prime is 1125214439. The next prime is 1125214469. The reversal of 1125214442 is 2444125211.

It is a super-2 number, since 2×1125214442² = 2532215080970742728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173543 + ... + 179909.

It is an arithmetic number, because the mean of its divisors is an integer number (59747760).

Almost surely, 2^1125214442 is an apocalyptic number.

1125214442 is a deficient number, since it is larger than the sum of its proper divisors (786713878).

1125214442 is a wasteful number, since it uses less digits than its factorization.

1125214442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6686.

The product of its digits is 2560, while the sum is 26.

The square root of 1125214442 is about 33544.2162227708. The cubic root of 1125214442 is about 1040.1079898958.

Adding to 1125214442 its reverse (2444125211), we get a palindrome (3569339653).

The spelling of 1125214442 in words is "one billion, one hundred twenty-five million, two hundred fourteen thousand, four hundred forty-two".