1002261244 has 12 divisors (see below), whose sum is σ = 1754298000. Its totient is φ = 501033248.

The previous prime is 1002261209. The next prime is 1002261263. The reversal of 1002261244 is 4421622001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1977 + ... + 44815.

It is an arithmetic number, because the mean of its divisors is an integer number (146191500).

Almost surely, 2^1002261244 is an apocalyptic number.

It is an amenable number.

1002261244 is a deficient number, since it is larger than the sum of its proper divisors (752036756).

1002261244 is a wasteful number, since it uses less digits than its factorization.

1002261244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48692 (or 48690 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1002261244 is about 31658.5098196362. The cubic root of 1002261244 is about 1000.7531805766.

Adding to 1002261244 its reverse (4421622001), we get a palindrome (5423883245).

The spelling of 1002261244 in words is "one billion, two million, two hundred sixty-one thousand, two hundred forty-four".