1255153043 has 4 divisors (see below), whose sum is σ = 1255380960. Its totient is φ = 1254925128.

The previous prime is 1255152991. The next prime is 1255153057. The reversal of 1255153043 is 3403515521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3403515521 = 7 ⋅486216503.

It is a cyclic number.

It is not a de Polignac number, because 1255153043 - 2¹⁸ = 1254890899 is a prime.

It is a super-2 number, since 2×1255153043² = 3150818322704319698, 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 = 1255152997 and 1255153015.

It is not an unprimeable number, because it can be changed into a prime (1255153073) 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, 105488 + ... + 116781.

It is an arithmetic number, because the mean of its divisors is an integer number (313845240).

Almost surely, 2^1255153043 is an apocalyptic number.

1255153043 is a deficient number, since it is larger than the sum of its proper divisors (227917).

1255153043 is an equidigital number, since it uses as much as digits as its factorization.

1255153043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227916.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1255153043 is about 35428.1391410839. The cubic root of 1255153043 is about 1078.6955681934.

Adding to 1255153043 its reverse (3403515521), we get a palindrome (4658668564).

The spelling of 1255153043 in words is "one billion, two hundred fifty-five million, one hundred fifty-three thousand, forty-three".