1049248561 has 8 divisors (see below), whose sum is σ = 1058112000. Its totient is φ = 1040398320.

The previous prime is 1049248559. The next prime is 1049248573. The reversal of 1049248561 is 1658429401.

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 1049248561 - 2¹ = 1049248559 is a prime.

It is a super-2 number, since 2×1049248561² = 2201845085521141442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1049248511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216240 + ... + 221038.

It is an arithmetic number, because the mean of its divisors is an integer number (132264000).

Almost surely, 2^1049248561 is an apocalyptic number.

It is an amenable number.

1049248561 is a deficient number, since it is larger than the sum of its proper divisors (8863439).

1049248561 is a wasteful number, since it uses less digits than its factorization.

1049248561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6599.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 1049248561 is about 32392.1064612970. The cubic root of 1049248561 is about 1016.1538355034.

The spelling of 1049248561 in words is "one billion, forty-nine million, two hundred forty-eight thousand, five hundred sixty-one".