1200472403 has 6 divisors (see below), whose sum is σ = 1299920004. Its totient is φ = 1108128216.

The previous prime is 1200472379. The next prime is 1200472423. The reversal of 1200472403 is 3042740021.

It is not a de Polignac number, because 1200472403 - 2¹⁰ = 1200471379 is a prime.

It is a super-2 number, since 2×1200472403² = 2882267980729188818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200472423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3551525 + ... + 3551862.

It is an arithmetic number, because the mean of its divisors is an integer number (216653334).

Almost surely, 2^1200472403 is an apocalyptic number.

1200472403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1200472403 is a deficient number, since it is larger than the sum of its proper divisors (99447601).

1200472403 is an equidigital number, since it uses as much as digits as its factorization.

1200472403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7103413 (or 7103400 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 1200472403 is about 34647.8340304268. The cubic root of 1200472403 is about 1062.7979961926.

The spelling of 1200472403 in words is "one billion, two hundred million, four hundred seventy-two thousand, four hundred three".