1302123153 has 4 divisors (see below), whose sum is σ = 1736164208. Its totient is φ = 868082100.

The previous prime is 1302123131. The next prime is 1302123169. The reversal of 1302123153 is 3513212031.

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 not a de Polignac number, because 1302123153 - 2¹⁸ = 1301861009 is a prime.

It is a super-2 number, since 2×1302123153² = 3391049411157322818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302123353) 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, 217020523 + ... + 217020528.

It is an arithmetic number, because the mean of its divisors is an integer number (434041052).

Almost surely, 2^1302123153 is an apocalyptic number.

It is an amenable number.

1302123153 is a deficient number, since it is larger than the sum of its proper divisors (434041055).

1302123153 is an equidigital number, since it uses as much as digits as its factorization.

1302123153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434041054.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1302123153 is about 36084.9435776197. The cubic root of 1302123153 is about 1091.9867122254.

Adding to 1302123153 its reverse (3513212031), we get a palindrome (4815335184).

The spelling of 1302123153 in words is "one billion, three hundred two million, one hundred twenty-three thousand, one hundred fifty-three".