1142477686 has 16 divisors (see below), whose sum is σ = 1975868064. Its totient is φ = 485299584.

The previous prime is 1142477683. The next prime is 1142477719. The reversal of 1142477686 is 6867742411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142477681) 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, 359505 + ... + 362668.

It is an arithmetic number, because the mean of its divisors is an integer number (123491754).

Almost surely, 2^1142477686 is an apocalyptic number.

1142477686 is a deficient number, since it is larger than the sum of its proper divisors (833390378).

1142477686 is a wasteful number, since it uses less digits than its factorization.

1142477686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722295.

The product of its digits is 451584, while the sum is 46.

The square root of 1142477686 is about 33800.5574806097. The cubic root of 1142477686 is about 1045.4001919536.

The spelling of 1142477686 in words is "one billion, one hundred forty-two million, four hundred seventy-seven thousand, six hundred eighty-six".