1072732103 has 4 divisors (see below), whose sum is σ = 1073014800. Its totient is φ = 1072449408.

The previous prime is 1072732097. The next prime is 1072732139. The reversal of 1072732103 is 3012372701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1072732103 - 2¹⁴ = 1072715719 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 (1072732303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135578 + ... + 143271.

It is an arithmetic number, because the mean of its divisors is an integer number (268253700).

Almost surely, 2^1072732103 is an apocalyptic number.

1072732103 is a deficient number, since it is larger than the sum of its proper divisors (282697).

1072732103 is an equidigital number, since it uses as much as digits as its factorization.

1072732103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282696.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 1072732103 is about 32752.5892564237. The cubic root of 1072732103 is about 1023.6789176714.

The spelling of 1072732103 in words is "one billion, seventy-two million, seven hundred thirty-two thousand, one hundred three".