1452119991 has 32 divisors (see below), whose sum is σ = 2345241600. Its totient is φ = 780197376.

The previous prime is 1452119983. The next prime is 1452120029. The reversal of 1452119991 is 1999112541.

It is not a de Polignac number, because 1452119991 - 2³ = 1452119983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452119951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 694750 + ... + 696836.

It is an arithmetic number, because the mean of its divisors is an integer number (73288800).

Almost surely, 2^1452119991 is an apocalyptic number.

1452119991 is a deficient number, since it is larger than the sum of its proper divisors (893121609).

1452119991 is a wasteful number, since it uses less digits than its factorization.

1452119991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4063.

The product of its digits is 29160, while the sum is 42.

The square root of 1452119991 is about 38106.6922075375. The cubic root of 1452119991 is about 1132.4025398444.

The spelling of 1452119991 in words is "one billion, four hundred fifty-two million, one hundred nineteen thousand, nine hundred ninety-one".