1201604615 has 8 divisors (see below), whose sum is σ = 1460178240. Its totient is φ = 949115232.

The previous prime is 1201604603. The next prime is 1201604627. The reversal of 1201604615 is 5164061021.

It is an interprime number because it is at equal distance from previous prime (1201604603) and next prime (1201604627).

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 1201604615 - 2⁸ = 1201604359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1520624 + ... + 1521413.

It is an arithmetic number, because the mean of its divisors is an integer number (182522280).

Almost surely, 2^1201604615 is an apocalyptic number.

1201604615 is a deficient number, since it is larger than the sum of its proper divisors (258573625).

1201604615 is an equidigital number, since it uses as much as digits as its factorization.

1201604615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042121.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1201604615 is about 34664.1690366292. The cubic root of 1201604615 is about 1063.1320131855.

Adding to 1201604615 its reverse (5164061021), we get a palindrome (6365665636).

The spelling of 1201604615 in words is "one billion, two hundred one million, six hundred four thousand, six hundred fifteen".