1206454768157 has 16 divisors (see below), whose sum is σ = 1251174681600. Its totient is φ = 1162100459520.

The previous prime is 1206454768117. The next prime is 1206454768177. The reversal of 1206454768157 is 7518674546021.

It is a cyclic number.

It is not a de Polignac number, because 1206454768157 - 2⁶ = 1206454768093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206454768117) 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, 26378333 + ... + 26424029.

It is an arithmetic number, because the mean of its divisors is an integer number (78198417600).

Almost surely, 2^{1206454768157} is an apocalyptic number.

It is an amenable number.

1206454768157 is a deficient number, since it is larger than the sum of its proper divisors (44719913443).

1206454768157 is a wasteful number, since it uses less digits than its factorization.

1206454768157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49676.

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 1206454768157 in words is "one trillion, two hundred six billion, four hundred fifty-four million, seven hundred sixty-eight thousand, one hundred fifty-seven".