1002309247 has 8 divisors (see below), whose sum is σ = 1032499440. Its totient is φ = 972392640.

The previous prime is 1002309227. The next prime is 1002309289. The reversal of 1002309247 is 7429032001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002309247 - 2²³ = 993920639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002309227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60948 + ... + 75625.

It is an arithmetic number, because the mean of its divisors is an integer number (129062430).

Almost surely, 2^1002309247 is an apocalyptic number.

1002309247 is a deficient number, since it is larger than the sum of its proper divisors (30190193).

1002309247 is a wasteful number, since it uses less digits than its factorization.

1002309247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136793.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1002309247 is about 31659.2679479485. The cubic root of 1002309247 is about 1000.7691572455.

It can be divided in two parts, 1002 and 309247, that added together give a square (310249 = 557²).

The spelling of 1002309247 in words is "one billion, two million, three hundred nine thousand, two hundred forty-seven".