1152404121 has 48 divisors (see below), whose sum is σ = 1784659968. Its totient is φ = 659614560.

The previous prime is 1152404111. The next prime is 1152404159. The reversal of 1152404121 is 1214042511.

It is not a de Polignac number, because 1152404121 - 2¹¹ = 1152402073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1152404111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 692136 + ... + 693798.

It is an arithmetic number, because the mean of its divisors is an integer number (37180416).

Almost surely, 2^1152404121 is an apocalyptic number.

1152404121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1152404121 is a deficient number, since it is larger than the sum of its proper divisors (632255847).

1152404121 is a wasteful number, since it uses less digits than its factorization.

1152404121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794 (or 1783 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1152404121 is about 33947.0782395186. The cubic root of 1152404121 is about 1048.4191239814.

Adding to 1152404121 its reverse (1214042511), we get a palindrome (2366446632).

The spelling of 1152404121 in words is "one billion, one hundred fifty-two million, four hundred four thousand, one hundred twenty-one".