1043725005 has 72 divisors (see below), whose sum is σ = 1951402752. Its totient is φ = 515757888.

The previous prime is 1043724961. The next prime is 1043725021. The reversal of 1043725005 is 5005273401.

It is a happy number.

It is not a de Polignac number, because 1043725005 - 2¹⁴ = 1043708621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1043725005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 762832 + ... + 764198.

It is an arithmetic number, because the mean of its divisors is an integer number (27102816).

Almost surely, 2^1043725005 is an apocalyptic number.

1043725005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1043725005 is a deficient number, since it is larger than the sum of its proper divisors (907677747).

1043725005 is a wasteful number, since it uses less digits than its factorization.

1043725005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463 (or 1441 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 1043725005 is about 32306.7331217503. The cubic root of 1043725005 is about 1014.3675855310.

Adding to 1043725005 its reverse (5005273401), we get a palindrome (6048998406).

The spelling of 1043725005 in words is "one billion, forty-three million, seven hundred twenty-five thousand, five".