1243375090670 has 16 divisors (see below), whose sum is σ = 2238093501840. Its totient is φ = 497345961024.

The previous prime is 1243375090651. The next prime is 1243375090679. The reversal of 1243375090670 is 760905733421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243375090679) 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, 979169 + ... + 1856211.

It is an arithmetic number, because the mean of its divisors is an integer number (139880843865).

Almost surely, 2^{1243375090670} is an apocalyptic number.

1243375090670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1243375090670 is a deficient number, since it is larger than the sum of its proper divisors (994718411170).

1243375090670 is a wasteful number, since it uses less digits than its factorization.

1243375090670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018819.

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 1243375090670 in words is "one trillion, two hundred forty-three billion, three hundred seventy-five million, ninety thousand, six hundred seventy".