1230415541 has 4 divisors (see below), whose sum is σ = 1233662400. Its totient is φ = 1227168684.

The previous prime is 1230415531. The next prime is 1230415561. The reversal of 1230415541 is 1455140321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1455140321 = 1571 ⋅926251.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230415541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230415541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230415531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1622861 + ... + 1623618.

It is an arithmetic number, because the mean of its divisors is an integer number (308415600).

Almost surely, 2^1230415541 is an apocalyptic number.

It is an amenable number.

1230415541 is a deficient number, since it is larger than the sum of its proper divisors (3246859).

1230415541 is an equidigital number, since it uses as much as digits as its factorization.

1230415541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246858.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1230415541 is about 35077.2795552905. The cubic root of 1230415541 is about 1071.5619140398.

Adding to 1230415541 its reverse (1455140321), we get a palindrome (2685555862).

The spelling of 1230415541 in words is "one billion, two hundred thirty million, four hundred fifteen thousand, five hundred forty-one".