1205152415 has 8 divisors (see below), whose sum is σ = 1449350160. Its totient is φ = 962010432.

The previous prime is 1205152411. The next prime is 1205152451. The reversal of 1205152415 is 5142515021.

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 1205152415 - 2² = 1205152411 is a prime.

It is a super-3 number, since 3×1205152415³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205152411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261425 + ... + 265994.

It is an arithmetic number, because the mean of its divisors is an integer number (181168770).

Almost surely, 2^1205152415 is an apocalyptic number.

1205152415 is a deficient number, since it is larger than the sum of its proper divisors (244197745).

1205152415 is an equidigital number, since it uses as much as digits as its factorization.

1205152415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527881.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1205152415 is about 34715.3051981399. The cubic root of 1205152415 is about 1064.1773025874.

Adding to 1205152415 its reverse (5142515021), we get a palindrome (6347667436).

The spelling of 1205152415 in words is "one billion, two hundred five million, one hundred fifty-two thousand, four hundred fifteen".