1122025144 has 32 divisors (see below), whose sum is σ = 2173691520. Its totient is φ = 542628576.

The previous prime is 1122025139. The next prime is 1122025159. The reversal of 1122025144 is 4415202211.

It is a congruent number.

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, 19599 + ... + 51265.

It is an arithmetic number, because the mean of its divisors is an integer number (67927860).

Almost surely, 2^1122025144 is an apocalyptic number.

It is an amenable number.

1122025144 is a deficient number, since it is larger than the sum of its proper divisors (1051666376).

1122025144 is a wasteful number, since it uses less digits than its factorization.

1122025144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31819 (or 31815 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1122025144 is about 33496.6437721751. The cubic root of 1122025144 is about 1039.1243689826.

Adding to 1122025144 its reverse (4415202211), we get a palindrome (5537227355).

The spelling of 1122025144 in words is "one billion, one hundred twenty-two million, twenty-five thousand, one hundred forty-four".