1351154121 has 4 divisors (see below), whose sum is σ = 1801538832. Its totient is φ = 900769412.

The previous prime is 1351154111. The next prime is 1351154149. The reversal of 1351154121 is 1214511531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1351154121 - 2¹⁵ = 1351121353 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1351154091 and 1351154100.

It is not an unprimeable number, because it can be changed into a prime (1351154111) 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, 225192351 + ... + 225192356.

It is an arithmetic number, because the mean of its divisors is an integer number (450384708).

Almost surely, 2^1351154121 is an apocalyptic number.

It is an amenable number.

1351154121 is a deficient number, since it is larger than the sum of its proper divisors (450384711).

1351154121 is an equidigital number, since it uses as much as digits as its factorization.

1351154121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450384710.

The product of its digits is 600, while the sum is 24.

The square root of 1351154121 is about 36758.0483839934. The cubic root of 1351154121 is about 1105.5243093743.

Adding to 1351154121 its reverse (1214511531), we get a palindrome (2565665652).

The spelling of 1351154121 in words is "one billion, three hundred fifty-one million, one hundred fifty-four thousand, one hundred twenty-one".