1120452145 has 8 divisors (see below), whose sum is σ = 1347897960. Its totient is φ = 894124800.

The previous prime is 1120452131. The next prime is 1120452169. The reversal of 1120452145 is 5412540211.

It can be written as a sum of positive squares in 4 ways, for example, as 576816289 + 543635856 = 24017^2 + 23316^2 .

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

It is not a de Polignac number, because 1120452145 - 2¹⁹ = 1119927857 is a prime.

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, 277410 + ... + 281419.

It is an arithmetic number, because the mean of its divisors is an integer number (168487245).

Almost surely, 2^1120452145 is an apocalyptic number.

It is an amenable number.

1120452145 is a deficient number, since it is larger than the sum of its proper divisors (227445815).

1120452145 is an equidigital number, since it uses as much as digits as its factorization.

1120452145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559235.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1120452145 is about 33473.1555877243. The cubic root of 1120452145 is about 1038.6385492027.

Adding to 1120452145 its reverse (5412540211), we get a palindrome (6532992356).

The spelling of 1120452145 in words is "one billion, one hundred twenty million, four hundred fifty-two thousand, one hundred forty-five".