1115692142 has 32 divisors (see below), whose sum is σ = 1791998208. Its totient is φ = 519811776.

The previous prime is 1115692121. The next prime is 1115692169. The reversal of 1115692142 is 2412965111.

It is a junction number, because it is equal to n+sod(n) for n = 1115692099 and 1115692108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276713 + ... + 280715.

It is an arithmetic number, because the mean of its divisors is an integer number (55999944).

Almost surely, 2^1115692142 is an apocalyptic number.

1115692142 is a deficient number, since it is larger than the sum of its proper divisors (676306066).

1115692142 is a wasteful number, since it uses less digits than its factorization.

1115692142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4184.

The product of its digits is 4320, while the sum is 32.

The square root of 1115692142 is about 33401.9781150758. The cubic root of 1115692142 is about 1037.1656496918.

The spelling of 1115692142 in words is "one billion, one hundred fifteen million, six hundred ninety-two thousand, one hundred forty-two".