1123051974 has 16 divisors (see below), whose sum is σ = 2450295360. Its totient is φ = 340318760.

The previous prime is 1123051939. The next prime is 1123051987. The reversal of 1123051974 is 4791503211.

It is a super-3 number, since 3×1123051974³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 8507904 + ... + 8508035.

It is an arithmetic number, because the mean of its divisors is an integer number (153143460).

Almost surely, 2^1123051974 is an apocalyptic number.

1123051974 is an abundant number, since it is smaller than the sum of its proper divisors (1327243386).

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

1123051974 is a wasteful number, since it uses less digits than its factorization.

1123051974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17015955.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 1123051974 is about 33511.9676235222. The cubic root of 1123051974 is about 1039.4412599051.

The spelling of 1123051974 in words is "one billion, one hundred twenty-three million, fifty-one thousand, nine hundred seventy-four".