1270394545126 has 8 divisors (see below), whose sum is σ = 2177819220240. Its totient is φ = 544454805048.

The previous prime is 1270394545117. The next prime is 1270394545129. The reversal of 1270394545126 is 6215454930721.

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

It is a super-2 number, since 2×1270394545126² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1270394545126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270394545129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45371233741 + ... + 45371233768.

It is an arithmetic number, because the mean of its divisors is an integer number (272227402530).

Almost surely, 2^{1270394545126} is an apocalyptic number.

1270394545126 is a deficient number, since it is larger than the sum of its proper divisors (907424675114).

1270394545126 is an equidigital number, since it uses as much as digits as its factorization.

1270394545126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90742467518.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 1270394545126 in words is "one trillion, two hundred seventy billion, three hundred ninety-four million, five hundred forty-five thousand, one hundred twenty-six".