1054249269 has 8 divisors (see below), whose sum is σ = 1408462272. Its totient is φ = 701434560.

The previous prime is 1054249249. The next prime is 1054249303. The reversal of 1054249269 is 9629424501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1054249269 - 2⁸ = 1054249013 is a prime.

It is a super-2 number, since 2×1054249269² = 2222883042374068722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1054249269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054249249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347812 + ... + 350829.

It is an arithmetic number, because the mean of its divisors is an integer number (176057784).

Almost surely, 2^1054249269 is an apocalyptic number.

It is an amenable number.

1054249269 is a deficient number, since it is larger than the sum of its proper divisors (354213003).

1054249269 is an equidigital number, since it uses as much as digits as its factorization.

1054249269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699147.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 1054249269 is about 32469.2049332903. The cubic root of 1054249269 is about 1017.7656039429.

The spelling of 1054249269 in words is "one billion, fifty-four million, two hundred forty-nine thousand, two hundred sixty-nine".