1230540415 has 32 divisors (see below), whose sum is σ = 1680880320. Its totient is φ = 857309184.

The previous prime is 1230540371. The next prime is 1230540497. The reversal of 1230540415 is 5140450321.

It is a happy number.

It is not a de Polignac number, because 1230540415 - 2²⁵ = 1196985983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1230540415.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 315457 + ... + 319333.

It is an arithmetic number, because the mean of its divisors is an integer number (52527510).

Almost surely, 2^1230540415 is an apocalyptic number.

1230540415 is a deficient number, since it is larger than the sum of its proper divisors (450339905).

1230540415 is a wasteful number, since it uses less digits than its factorization.

1230540415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1230540415 is about 35079.0594942339. The cubic root of 1230540415 is about 1071.5981634995.

Adding to 1230540415 its reverse (5140450321), we get a palindrome (6370990736).

The spelling of 1230540415 in words is "one billion, two hundred thirty million, five hundred forty thousand, four hundred fifteen".