72051103 has 2 divisors, whose sum is σ = 72051104. Its totient is φ = 72051102.

The previous prime is 72051061. The next prime is 72051127. The reversal of 72051103 is 30115027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72051103 - 2⁹ = 72050591 is a prime.

It is a super-2 number, since 2×72051103² = 10382722887033218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72051143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36025551 + 36025552.

It is an arithmetic number, because the mean of its divisors is an integer number (36025552).

Almost surely, 2^72051103 is an apocalyptic number.

72051103 is a deficient number, since it is larger than the sum of its proper divisors (1).

72051103 is an equidigital number, since it uses as much as digits as its factorization.

72051103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 72051103 is about 8488.2921132581. The cubic root of 72051103 is about 416.1151658924.

The spelling of 72051103 in words is "seventy-two million, fifty-one thousand, one hundred three".