1193961142 has 32 divisors (see below), whose sum is σ = 2063335680. Its totient is φ = 512841120.

The previous prime is 1193961107. The next prime is 1193961143. The reversal of 1193961142 is 2411693911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1193961143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27784 + ... + 56212.

It is an arithmetic number, because the mean of its divisors is an integer number (64479240).

Almost surely, 2^1193961142 is an apocalyptic number.

1193961142 is a deficient number, since it is larger than the sum of its proper divisors (869374538).

1193961142 is a wasteful number, since it uses less digits than its factorization.

1193961142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28548.

The product of its digits is 11664, while the sum is 37.

The square root of 1193961142 is about 34553.7428074008. The cubic root of 1193961142 is about 1060.8730027735.

The spelling of 1193961142 in words is "one billion, one hundred ninety-three million, nine hundred sixty-one thousand, one hundred forty-two".