1207145893 has 8 divisors (see below), whose sum is σ = 1223259840. Its totient is φ = 1191088800.

The previous prime is 1207145887. The next prime is 1207145899. The reversal of 1207145893 is 3985417021.

It is an interprime number because it is at equal distance from previous prime (1207145887) and next prime (1207145899).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1207145893 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 (1207145899) 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, 29418 + ... + 57268.

It is an arithmetic number, because the mean of its divisors is an integer number (152907480).

Almost surely, 2^1207145893 is an apocalyptic number.

It is an amenable number.

1207145893 is a deficient number, since it is larger than the sum of its proper divisors (16113947).

1207145893 is an equidigital number, since it uses as much as digits as its factorization.

1207145893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28427.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1207145893 is about 34744.0051375773. The cubic root of 1207145893 is about 1064.7637416664.

The spelling of 1207145893 in words is "one billion, two hundred seven million, one hundred forty-five thousand, eight hundred ninety-three".