1541426121 has 27 divisors (see below), whose sum is σ = 2331615559. Its totient is φ = 981210912.

The previous prime is 1541426111. The next prime is 1541426137. The reversal of 1541426121 is 1216241451.

The square root of 1541426121 is 39261.

It is a perfect power (a square), and thus also a powerful number.

1541426121 is a `hidden beast` number, since 1 + 5 + 4 + 1 + 42 + 612 + 1 = 666.

1541426121 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 254051721 + 1287374400 = 15939^2 + 35880^2 .

It is not a de Polignac number, because 1541426121 - 2⁹ = 1541425609 is a prime.

It is a super-2 number, since 2×1541426121² = 4751988973002213282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1541426111) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2708725 + ... + 2709293.

Almost surely, 2^1541426121 is an apocalyptic number.

1541426121 is the 39261-st square number.

1541426121 is the 19631-st centered octagonal number.

It is an amenable number.

1541426121 is a deficient number, since it is larger than the sum of its proper divisors (790189438).

1541426121 is an frugal number, since it uses more digits than its factorization.

1541426121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190 (or 595 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The cubic root of 1541426121 is about 1155.1567089332.

Adding to 1541426121 its reverse (1216241451), we get a palindrome (2757667572).

The spelling of 1541426121 in words is "one billion, five hundred forty-one million, four hundred twenty-six thousand, one hundred twenty-one".