1254541312039 has 16 divisors (see below), whose sum is σ = 1365045853248. Its totient is φ = 1148153190912.

The previous prime is 1254541312019. The next prime is 1254541312049. The reversal of 1254541312039 is 9302131454521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1254541312039 - 2¹¹ = 1254541309991 is a prime.

It is a super-2 number, since 2×1254541312039² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1254541311992 and 1254541312010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254541312019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475854 + ... + 1653940.

It is an arithmetic number, because the mean of its divisors is an integer number (85315365828).

Almost surely, 2^{1254541312039} is an apocalyptic number.

1254541312039 is a deficient number, since it is larger than the sum of its proper divisors (110504541209).

1254541312039 is a wasteful number, since it uses less digits than its factorization.

1254541312039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179834.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 1254541312039 in words is "one trillion, two hundred fifty-four billion, five hundred forty-one million, three hundred twelve thousand, thirty-nine".