1123146851742 has 32 divisors (see below), whose sum is σ = 2513837894400. Its totient is φ = 371688883704.

The previous prime is 1123146851689. The next prime is 1123146851777. The reversal of 1123146851742 is 2471586413211.

1123146851742 is a `hidden beast` number, since 1 + 1 + 2 + 31 + 4 + 68 + 517 + 42 = 666.

It is a super-2 number, since 2×1123146851742² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74809098 + ... + 74824109.

It is an arithmetic number, because the mean of its divisors is an integer number (78557434200).

Almost surely, 2^{1123146851742} is an apocalyptic number.

1123146851742 is an abundant number, since it is smaller than the sum of its proper divisors (1390691042658).

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

1123146851742 is a wasteful number, since it uses less digits than its factorization.

1123146851742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149633357 (or 149633351 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The spelling of 1123146851742 in words is "one trillion, one hundred twenty-three billion, one hundred forty-six million, eight hundred fifty-one thousand, seven hundred forty-two".