1260371321734 has 16 divisors (see below), whose sum is σ = 2166655046400. Its totient is φ = 538654514184.

The previous prime is 1260371321731. The next prime is 1260371321779. The reversal of 1260371321734 is 4371231730621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260371321731) 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, 125380104 + ... + 125390155.

It is an arithmetic number, because the mean of its divisors is an integer number (135415940400).

Almost surely, 2^{1260371321734} is an apocalyptic number.

1260371321734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1260371321734 is a deficient number, since it is larger than the sum of its proper divisors (906283724666).

1260371321734 is a wasteful number, since it uses less digits than its factorization.

1260371321734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250770627.

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 1260371321734 in words is "one trillion, two hundred sixty billion, three hundred seventy-one million, three hundred twenty-one thousand, seven hundred thirty-four".