501101442 has 24 divisors (see below), whose sum is σ = 1101927216. Its totient is φ = 164540376.

The previous prime is 501101441. The next prime is 501101443. The reversal of 501101442 is 244101105.

It is an interprime number because it is at equal distance from previous prime (501101441) and next prime (501101443).

It is a super-2 number, since 2×501101442² = 502205310348958728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (501101441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206548 + ... + 208959.

It is an arithmetic number, because the mean of its divisors is an integer number (45913634).

Almost surely, 2^501101442 is an apocalyptic number.

501101442 is an abundant number, since it is smaller than the sum of its proper divisors (600825774).

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

501101442 is a wasteful number, since it uses less digits than its factorization.

501101442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415582 (or 415579 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 501101442 is about 22385.2952180667. The cubic root of 501101442 is about 794.2829086159.

Adding to 501101442 its reverse (244101105), we get a palindrome (745202547).

The spelling of 501101442 in words is "five hundred one million, one hundred one thousand, four hundred forty-two".