1052401111 has 4 divisors (see below), whose sum is σ = 1074792672. Its totient is φ = 1030009552.

The previous prime is 1052401081. The next prime is 1052401117. The reversal of 1052401111 is 1111042501.

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

It is a cyclic number.

It is not a de Polignac number, because 1052401111 - 2¹⁷ = 1052270039 is a prime.

It is a super-2 number, since 2×1052401111² = 2215096196868068642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052401117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11195710 + ... + 11195803.

It is an arithmetic number, because the mean of its divisors is an integer number (268698168).

Almost surely, 2^1052401111 is an apocalyptic number.

1052401111 is a deficient number, since it is larger than the sum of its proper divisors (22391561).

1052401111 is an equidigital number, since it uses as much as digits as its factorization.

1052401111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22391560.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 1052401111 is about 32440.7322821172. The cubic root of 1052401111 is about 1017.1705227063.

Adding to 1052401111 its reverse (1111042501), we get a palindrome (2163443612).

The spelling of 1052401111 in words is "one billion, fifty-two million, four hundred one thousand, one hundred eleven".