1055250243 has 24 divisors (see below), whose sum is σ = 1535723280. Its totient is φ = 698227200.

The previous prime is 1055250241. The next prime is 1055250257. The reversal of 1055250243 is 3420525501.

It is a happy number.

1055250243 is a `hidden beast` number, since 105 + 52 + 502 + 4 + 3 = 666.

It is not a de Polignac number, because 1055250243 - 2¹ = 1055250241 is a prime.

It is a super-2 number, since 2×1055250243² = 2227106150703118098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055250241) 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 23 ways as a sum of consecutive naturals, for example, 878043 + ... + 879243.

It is an arithmetic number, because the mean of its divisors is an integer number (63988470).

Almost surely, 2^1055250243 is an apocalyptic number.

1055250243 is a deficient number, since it is larger than the sum of its proper divisors (480473037).

1055250243 is a wasteful number, since it uses less digits than its factorization.

1055250243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859 (or 1856 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1055250243 is about 32484.6154817938. The cubic root of 1055250243 is about 1018.0876133836.

Adding to 1055250243 its reverse (3420525501), we get a palindrome (4475775744).

The spelling of 1055250243 in words is "one billion, fifty-five million, two hundred fifty thousand, two hundred forty-three".