1341140121 has 6 divisors (see below), whose sum is σ = 1937202410. Its totient is φ = 894093408.

The previous prime is 1341140069. The next prime is 1341140179. The reversal of 1341140121 is 1210411431.

It can be written as a sum of positive squares in only one way, i.e., 1101509721 + 239630400 = 33189^2 + 15480^2 .

It is not a de Polignac number, because 1341140121 - 2⁹ = 1341139609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1341140094 and 1341140103.

It is not an unprimeable number, because it can be changed into a prime (1341140191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74507776 + ... + 74507793.

Almost surely, 2^1341140121 is an apocalyptic number.

It is an amenable number.

1341140121 is a deficient number, since it is larger than the sum of its proper divisors (596062289).

1341140121 is a wasteful number, since it uses less digits than its factorization.

1341140121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149015575 (or 149015572 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1341140121 is about 36621.5799904919. The cubic root of 1341140121 is about 1102.7863578129.

Adding to 1341140121 its reverse (1210411431), we get a palindrome (2551551552).

The spelling of 1341140121 in words is "one billion, three hundred forty-one million, one hundred forty thousand, one hundred twenty-one".