1142677572 has 12 divisors (see below), whose sum is σ = 2666247696. Its totient is φ = 380892520.

The previous prime is 1142677561. The next prime is 1142677579. The reversal of 1142677572 is 2757762411.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1142677579) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 47611554 + ... + 47611577.

It is an arithmetic number, because the mean of its divisors is an integer number (222187308).

Almost surely, 2^1142677572 is an apocalyptic number.

1142677572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1142677572 is an abundant number, since it is smaller than the sum of its proper divisors (1523570124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142677572 is a wasteful number, since it uses less digits than its factorization.

1142677572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95223138 (or 95223136 counting only the distinct ones).

The product of its digits is 164640, while the sum is 42.

The square root of 1142677572 is about 33803.5141960122. The cubic root of 1142677572 is about 1045.4611555593.

The spelling of 1142677572 in words is "one billion, one hundred forty-two million, six hundred seventy-seven thousand, five hundred seventy-two".