1002147974 has 16 divisors (see below), whose sum is σ = 1552542336. Its totient is φ = 484651200.

The previous prime is 1002147967. The next prime is 1002148057. The reversal of 1002147974 is 4797412001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166994 + ... + 172890.

It is an arithmetic number, because the mean of its divisors is an integer number (97033896).

Almost surely, 2^1002147974 is an apocalyptic number.

1002147974 is a deficient number, since it is larger than the sum of its proper divisors (550394362).

1002147974 is a wasteful number, since it uses less digits than its factorization.

1002147974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8671.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 1002147974 is about 31656.7208346032. The cubic root of 1002147974 is about 1000.7154793006.

Adding to 1002147974 its reverse (4797412001), we get a palindrome (5799559975).

The spelling of 1002147974 in words is "one billion, two million, one hundred forty-seven thousand, nine hundred seventy-four".