1142587004 has 24 divisors (see below), whose sum is σ = 2154676608. Its totient is φ = 527019840.

The previous prime is 1142587003. The next prime is 1142587007. The reversal of 1142587004 is 4007852411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142587001) 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, 90869 + ... + 102675.

It is an arithmetic number, because the mean of its divisors is an integer number (89778192).

Almost surely, 2^1142587004 is an apocalyptic number.

It is an amenable number.

1142587004 is a deficient number, since it is larger than the sum of its proper divisors (1012089604).

1142587004 is a wasteful number, since it uses less digits than its factorization.

1142587004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13685 (or 13683 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 1142587004 is about 33802.1745454342. The cubic root of 1142587004 is about 1045.4335339362.

The spelling of 1142587004 in words is "one billion, one hundred forty-two million, five hundred eighty-seven thousand, four".