1275377754142 has 8 divisors (see below), whose sum is σ = 1921645406016. Its totient is φ = 634829285472.

The previous prime is 1275377754139. The next prime is 1275377754149. The reversal of 1275377754142 is 2414577735721.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275377754149) 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, 1429795243 + ... + 1429796134.

It is an arithmetic number, because the mean of its divisors is an integer number (240205675752).

Almost surely, 2^{1275377754142} is an apocalyptic number.

1275377754142 is a deficient number, since it is larger than the sum of its proper divisors (646267651874).

1275377754142 is a wasteful number, since it uses less digits than its factorization.

1275377754142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859591602.

The product of its digits is 11524800, while the sum is 55.

The spelling of 1275377754142 in words is "one trillion, two hundred seventy-five billion, three hundred seventy-seven million, seven hundred fifty-four thousand, one hundred forty-two".