1051323042 has 32 divisors (see below), whose sum is σ = 2621481984. Its totient is φ = 273070800.

The previous prime is 1051323037. The next prime is 1051323047. The reversal of 1051323042 is 2403231501.

It is an interprime number because it is at equal distance from previous prime (1051323037) and next prime (1051323047).

It is a super-2 number, since 2×1051323042² = 2210560277280267528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1051323047) 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 15 ways as a sum of consecutive naturals, for example, 1137334 + ... + 1138257.

It is an arithmetic number, because the mean of its divisors is an integer number (81921312).

Almost surely, 2^1051323042 is an apocalyptic number.

1051323042 is an abundant number, since it is smaller than the sum of its proper divisors (1570158942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1051323042 is a wasteful number, since it uses less digits than its factorization.

1051323042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275614.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1051323042 is about 32424.1120464385. The cubic root of 1051323042 is about 1016.8230776584.

Adding to 1051323042 its reverse (2403231501), we get a palindrome (3454554543).

The spelling of 1051323042 in words is "one billion, fifty-one million, three hundred twenty-three thousand, forty-two".