1554070134121 has 4 divisors (see below), whose sum is σ = 1554135452244. Its totient is φ = 1554004816000.

The previous prime is 1554070134091. The next prime is 1554070134139. The reversal of 1554070134121 is 1214310704551.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1440864129600 + 113206004521 = 1200360^2 + 336461^2 .

It is a cyclic number.

It is not a de Polignac number, because 1554070134121 - 2¹³ = 1554070125929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1554070134151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32623360 + ... + 32670961.

It is an arithmetic number, because the mean of its divisors is an integer number (388533863061).

Almost surely, 2^{1554070134121} is an apocalyptic number.

It is an amenable number.

1554070134121 is a deficient number, since it is larger than the sum of its proper divisors (65318123).

1554070134121 is an equidigital number, since it uses as much as digits as its factorization.

1554070134121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65318122.

The product of its (nonzero) digits is 16800, while the sum is 34.

Adding to 1554070134121 its reverse (1214310704551), we get a palindrome (2768380838672).

The spelling of 1554070134121 in words is "one trillion, five hundred fifty-four billion, seventy million, one hundred thirty-four thousand, one hundred twenty-one".