1002132240 has 40 divisors (see below), whose sum is σ = 3106610688. Its totient is φ = 267235200.

The previous prime is 1002132227. The next prime is 1002132253. The reversal of 1002132240 is 422312001.

It is an interprime number because it is at equal distance from previous prime (1002132227) and next prime (1002132253).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 2087536 + ... + 2088015.

Almost surely, 2^1002132240 is an apocalyptic number.

1002132240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002132240 is an abundant number, since it is smaller than the sum of its proper divisors (2104478448).

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

1002132240 is a wasteful number, since it uses less digits than its factorization.

1002132240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175567 (or 4175561 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1002132240 is about 31656.4723239972. The cubic root of 1002132240 is about 1000.7102421034.

Adding to 1002132240 its reverse (422312001), we get a palindrome (1424444241).

The spelling of 1002132240 in words is "one billion, two million, one hundred thirty-two thousand, two hundred forty".