1012321052 has 6 divisors (see below), whose sum is σ = 1771561848. Its totient is φ = 506160524.

The previous prime is 1012321043. The next prime is 1012321061. The reversal of 1012321052 is 2501232101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1012321043) and next prime (1012321061).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 1012321052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126540128 + ... + 126540135.

It is an arithmetic number, because the mean of its divisors is an integer number (295260308).

Almost surely, 2^1012321052 is an apocalyptic number.

It is an amenable number.

1012321052 is a deficient number, since it is larger than the sum of its proper divisors (759240796).

1012321052 is a wasteful number, since it uses less digits than its factorization.

1012321052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253080267 (or 253080265 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1012321052 is about 31816.9931326013. The cubic root of 1012321052 is about 1004.0902642612.

Adding to 1012321052 its reverse (2501232101), we get a palindrome (3513553153).

The spelling of 1012321052 in words is "one billion, twelve million, three hundred twenty-one thousand, fifty-two".