1024152409 has 4 divisors (see below), whose sum is σ = 1170459904. Its totient is φ = 877844916.

The previous prime is 1024152391. The next prime is 1024152427. The reversal of 1024152409 is 9042514201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1024152391) and next prime (1024152427).

It is a cyclic number.

It is not a de Polignac number, because 1024152409 - 2¹³ = 1024144217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1024152439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73153737 + ... + 73153750.

It is an arithmetic number, because the mean of its divisors is an integer number (292614976).

Almost surely, 2^1024152409 is an apocalyptic number.

It is an amenable number.

1024152409 is a deficient number, since it is larger than the sum of its proper divisors (146307495).

1024152409 is an equidigital number, since it uses as much as digits as its factorization.

1024152409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146307494.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1024152409 is about 32002.3813020219. The cubic root of 1024152409 is about 1007.9868435048.

The spelling of 1024152409 in words is "one billion, twenty-four million, one hundred fifty-two thousand, four hundred nine".