1061254123 has 4 divisors (see below), whose sum is σ = 1068282448. Its totient is φ = 1054225800.

The previous prime is 1061254099. The next prime is 1061254133. The reversal of 1061254123 is 3214521601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061254123 is a prime.

It is a super-2 number, since 2×1061254123² = 2252520627168998258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061254133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3513936 + ... + 3514237.

It is an arithmetic number, because the mean of its divisors is an integer number (267070612).

Almost surely, 2^1061254123 is an apocalyptic number.

1061254123 is a deficient number, since it is larger than the sum of its proper divisors (7028325).

1061254123 is an equidigital number, since it uses as much as digits as its factorization.

1061254123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7028324.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1061254123 is about 32576.8955396305. The cubic root of 1061254123 is about 1020.0147771151.

Adding to 1061254123 its reverse (3214521601), we get a palindrome (4275775724).

The spelling of 1061254123 in words is "one billion, sixty-one million, two hundred fifty-four thousand, one hundred twenty-three".