1002153492 has 48 divisors (see below), whose sum is σ = 2681996800. Its totient is φ = 323274240.

The previous prime is 1002153491. The next prime is 1002153497. The reversal of 1002153492 is 2943512001.

1002153492 is a `hidden beast` number, since 100 + 21 + 53 + 492 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002153491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146317 + ... + 153012.

Almost surely, 2^1002153492 is an apocalyptic number.

1002153492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002153492 is an abundant number, since it is smaller than the sum of its proper divisors (1679843308).

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

1002153492 is a wasteful number, since it uses less digits than its factorization.

1002153492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299373 (or 299365 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1002153492 is about 31656.8079881721. The cubic root of 1002153492 is about 1000.7173160014.

Adding to 1002153492 its reverse (2943512001), we get a palindrome (3945665493).

The spelling of 1002153492 in words is "one billion, two million, one hundred fifty-three thousand, four hundred ninety-two".