1452720031 has 8 divisors (see below), whose sum is σ = 1747633280. Its totient is φ = 1179652248.

The previous prime is 1452720013. The next prime is 1452720079. The reversal of 1452720031 is 1300272541.

It is a happy number.

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 1452720031 - 2⁷ = 1452719903 is a prime.

It is a super-2 number, since 2×1452720031² = 4220790976937281922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1452719978 and 1452720005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452726031) 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, 5461221 + ... + 5461486.

It is an arithmetic number, because the mean of its divisors is an integer number (218454160).

Almost surely, 2^1452720031 is an apocalyptic number.

1452720031 is a deficient number, since it is larger than the sum of its proper divisors (294913249).

1452720031 is a wasteful number, since it uses less digits than its factorization.

1452720031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10922733.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1452720031 is about 38114.5645521499. The cubic root of 1452720031 is about 1132.5584941856.

Adding to 1452720031 its reverse (1300272541), we get a palindrome (2752992572).

The spelling of 1452720031 in words is "one billion, four hundred fifty-two million, seven hundred twenty thousand, thirty-one".