1534531121 has 8 divisors (see below), whose sum is σ = 1538538624. Its totient is φ = 1530530560.

The previous prime is 1534531087. The next prime is 1534531127. The reversal of 1534531121 is 1211354351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1534531121 - 2³⁰ = 460789297 is a prime.

It is a super-2 number, since 2×1534531121² = 4709571522635033282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1534531127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1254116 + ... + 1255338.

It is an arithmetic number, because the mean of its divisors is an integer number (192317328).

Almost surely, 2^1534531121 is an apocalyptic number.

It is an amenable number.

1534531121 is a deficient number, since it is larger than the sum of its proper divisors (4007503).

1534531121 is a wasteful number, since it uses less digits than its factorization.

1534531121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471.

The product of its digits is 1800, while the sum is 26.

The square root of 1534531121 is about 39173.0917978145. The cubic root of 1534531121 is about 1153.4317455219.

Adding to 1534531121 its reverse (1211354351), we get a palindrome (2745885472).

The spelling of 1534531121 in words is "one billion, five hundred thirty-four million, five hundred thirty-one thousand, one hundred twenty-one".