1347742126 has 4 divisors (see below), whose sum is σ = 2021613192. Its totient is φ = 673871062.

The previous prime is 1347742111. The next prime is 1347742129. The reversal of 1347742126 is 6212477431.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347742129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336935530 + ... + 336935533.

It is an arithmetic number, because the mean of its divisors is an integer number (505403298).

Almost surely, 2^1347742126 is an apocalyptic number.

1347742126 is a deficient number, since it is larger than the sum of its proper divisors (673871066).

1347742126 is an equidigital number, since it uses as much as digits as its factorization.

1347742126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673871065.

The product of its digits is 56448, while the sum is 37.

The square root of 1347742126 is about 36711.6075104319. The cubic root of 1347742126 is about 1104.5929517716.

It can be divided in two parts, 134774 and 2126, that added together give a square (136900 = 370²).

The spelling of 1347742126 in words is "one billion, three hundred forty-seven million, seven hundred forty-two thousand, one hundred twenty-six".