1002141240 has 32 divisors (see below), whose sum is σ = 3006424080. Its totient is φ = 267237632.

The previous prime is 1002141221. The next prime is 1002141269. The reversal of 1002141240 is 421412001.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4175469 + ... + 4175708.

Almost surely, 2^1002141240 is an apocalyptic number.

1002141240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002141240 is an abundant number, since it is smaller than the sum of its proper divisors (2004282840).

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

1002141240 is a wasteful number, since it uses less digits than its factorization.

1002141240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8351191 (or 8351187 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1002141240 is about 31656.6144747034. The cubic root of 1002141240 is about 1000.7132378375.

Adding to 1002141240 its reverse (421412001), we get a palindrome (1423553241).

The spelling of 1002141240 in words is "one billion, two million, one hundred forty-one thousand, two hundred forty".