1230402141 has 12 divisors (see below), whose sum is σ = 1779881532. Its totient is φ = 819052416.

The previous prime is 1230402139. The next prime is 1230402161. The reversal of 1230402141 is 1412040321.

1230402141 is a `hidden beast` number, since 123 + 0 + 402 + 141 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1152874116 + 77528025 = 33954^2 + 8805^2 .

It is not a de Polignac number, because 1230402141 - 2¹ = 1230402139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230402101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94876 + ... + 107061.

It is an arithmetic number, because the mean of its divisors is an integer number (148323461).

Almost surely, 2^1230402141 is an apocalyptic number.

It is an amenable number.

1230402141 is a deficient number, since it is larger than the sum of its proper divisors (549479391).

1230402141 is a wasteful number, since it uses less digits than its factorization.

1230402141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202620 (or 202617 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1230402141 is about 35077.0885479397. The cubic root of 1230402141 is about 1071.5580240310.

Adding to 1230402141 its reverse (1412040321), we get a palindrome (2642442462).

The spelling of 1230402141 in words is "one billion, two hundred thirty million, four hundred two thousand, one hundred forty-one".