1607121249 has 8 divisors (see below), whose sum is σ = 2154800160. Its totient is φ = 1065428256.

The previous prime is 1607121227. The next prime is 1607121277. The reversal of 1607121249 is 9421217061.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1607121249 - 2¹⁹ = 1606596961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1607121209) 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, 1495852 + ... + 1496925.

It is an arithmetic number, because the mean of its divisors is an integer number (269350020).

Almost surely, 2^1607121249 is an apocalyptic number.

It is an amenable number.

1607121249 is a deficient number, since it is larger than the sum of its proper divisors (547678911).

1607121249 is a wasteful number, since it uses less digits than its factorization.

1607121249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992959.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1607121249 is about 40088.9167850667. The cubic root of 1607121249 is about 1171.3397488012.

The spelling of 1607121249 in words is "one billion, six hundred seven million, one hundred twenty-one thousand, two hundred forty-nine".