1045868503 has 8 divisors (see below), whose sum is σ = 1050958800. Its totient is φ = 1040787648.

The previous prime is 1045868491. The next prime is 1045868507. The reversal of 1045868503 is 3058685401.

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 1045868503 - 2²⁵ = 1012314071 is a prime.

It is a super-2 number, since 2×1045868503² = 2187681851134922018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045868507) 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, 319288 + ... + 322546.

It is an arithmetic number, because the mean of its divisors is an integer number (131369850).

Almost surely, 2^1045868503 is an apocalyptic number.

1045868503 is a deficient number, since it is larger than the sum of its proper divisors (5090297).

1045868503 is a wasteful number, since it uses less digits than its factorization.

1045868503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 1045868503 is about 32339.8902750148. The cubic root of 1045868503 is about 1015.0615129310.

It can be divided in two parts, 10458 and 68503, that added together give a square (78961 = 281²).

The spelling of 1045868503 in words is "one billion, forty-five million, eight hundred sixty-eight thousand, five hundred three".