1192142087 has 8 divisors (see below), whose sum is σ = 1206163872. Its totient is φ = 1178164000.

The previous prime is 1192142053. The next prime is 1192142089. The reversal of 1192142087 is 7802412911.

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

It is a cyclic number.

It is not a de Polignac number, because 1192142087 - 2¹⁰ = 1192141063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1192142089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45662 + ... + 66852.

It is an arithmetic number, because the mean of its divisors is an integer number (150770484).

Almost surely, 2^1192142087 is an apocalyptic number.

1192142087 is a deficient number, since it is larger than the sum of its proper divisors (14021785).

1192142087 is a wasteful number, since it uses less digits than its factorization.

1192142087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21849.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 1192142087 is about 34527.4106616757. The cubic root of 1192142087 is about 1060.3339659093. Note that the first 3 decimals are identical.

Adding to 1192142087 its reverse (7802412911), we get a palindrome (8994554998).

The spelling of 1192142087 in words is "one billion, one hundred ninety-two million, one hundred forty-two thousand, eighty-seven".