1001354992 has 20 divisors (see below), whose sum is σ = 2116500696. Its totient is φ = 455161280.

The previous prime is 1001354989. The next prime is 1001354993. The reversal of 1001354992 is 2994531001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001354993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2844583 + ... + 2844934.

Almost surely, 2^1001354992 is an apocalyptic number.

It is an amenable number.

1001354992 is an abundant number, since it is smaller than the sum of its proper divisors (1115145704).

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

1001354992 is a wasteful number, since it uses less digits than its factorization.

1001354992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5689536 (or 5689530 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1001354992 is about 31644.1936538127. The cubic root of 1001354992 is about 1000.4514601531.

Adding to 1001354992 its reverse (2994531001), we get a palindrome (3995885993).

The spelling of 1001354992 in words is "one billion, one million, three hundred fifty-four thousand, nine hundred ninety-two".