1192112542 has 8 divisors (see below), whose sum is σ = 1789332336. Its totient is φ = 595668432.

The previous prime is 1192112503. The next prime is 1192112543. The reversal of 1192112542 is 2452112911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1192112542² = 2842264625587403528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1192112542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1192112543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190063 + ... + 196234.

It is an arithmetic number, because the mean of its divisors is an integer number (223666542).

Almost surely, 2^1192112542 is an apocalyptic number.

1192112542 is a deficient number, since it is larger than the sum of its proper divisors (597219794).

1192112542 is a wasteful number, since it uses less digits than its factorization.

1192112542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387842.

The product of its digits is 1440, while the sum is 28.

The square root of 1192112542 is about 34526.9828105498. The cubic root of 1192112542 is about 1060.3252063758.

The spelling of 1192112542 in words is "one billion, one hundred ninety-two million, one hundred twelve thousand, five hundred forty-two".