1119732142 has 16 divisors (see below), whose sum is σ = 1697625072. Its totient is φ = 553875840.

The previous prime is 1119732139. The next prime is 1119732143. The reversal of 1119732142 is 2412379111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1119732143) 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, 124708 + ... + 133384.

It is an arithmetic number, because the mean of its divisors is an integer number (106101567).

Almost surely, 2^1119732142 is an apocalyptic number.

1119732142 is a deficient number, since it is larger than the sum of its proper divisors (577892930).

1119732142 is a wasteful number, since it uses less digits than its factorization.

1119732142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9363.

The product of its digits is 3024, while the sum is 31.

The square root of 1119732142 is about 33462.3989277517. The cubic root of 1119732142 is about 1038.4160250144.

The spelling of 1119732142 in words is "one billion, one hundred nineteen million, seven hundred thirty-two thousand, one hundred forty-two".