1233124321145 has 8 divisors (see below), whose sum is σ = 1479755264904. Its totient is φ = 986495403904.

The previous prime is 1233124321133. The next prime is 1233124321181. The reversal of 1233124321145 is 5411234213321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 508521593449 + 724602727696 = 713107^2 + 851236^2 .

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 1233124321145 - 2⁴ = 1233124321129 is a prime.

It is a super-2 number, since 2×1233124321145² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

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, 1728557 + ... + 2335413.

It is an arithmetic number, because the mean of its divisors is an integer number (184969408113).

Almost surely, 2^{1233124321145} is an apocalyptic number.

It is an amenable number.

1233124321145 is a deficient number, since it is larger than the sum of its proper divisors (246630943759).

1233124321145 is an equidigital number, since it uses as much as digits as its factorization.

1233124321145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013259.

The product of its digits is 17280, while the sum is 32.

Adding to 1233124321145 its reverse (5411234213321), we get a palindrome (6644358534466).

The spelling of 1233124321145 in words is "one trillion, two hundred thirty-three billion, one hundred twenty-four million, three hundred twenty-one thousand, one hundred forty-five".