1207438073 has 4 divisors (see below), whose sum is σ = 1278463860. Its totient is φ = 1136412288.

The previous prime is 1207438033. The next prime is 1207438081. The reversal of 1207438073 is 3708347021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 909806569 + 297631504 = 30163^2 + 17252^2 .

It is a cyclic number.

It is not a de Polignac number, because 1207438073 - 2³⁰ = 133696249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1207438013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35512868 + ... + 35512901.

It is an arithmetic number, because the mean of its divisors is an integer number (319615965).

Almost surely, 2^1207438073 is an apocalyptic number.

It is an amenable number.

1207438073 is a deficient number, since it is larger than the sum of its proper divisors (71025787).

1207438073 is an equidigital number, since it uses as much as digits as its factorization.

1207438073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71025786.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 1207438073 is about 34748.2096373324. The cubic root of 1207438073 is about 1064.8496405831.

The spelling of 1207438073 in words is "one billion, two hundred seven million, four hundred thirty-eight thousand, seventy-three".