401142 has 16 divisors (see below), whose sum is σ = 916992. Its totient is φ = 114600.

The previous prime is 401119. The next prime is 401161. The reversal of 401142 is 241104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4734 + ... + 4817.

It is an arithmetic number, because the mean of its divisors is an integer number (57312).

2⁴⁰¹¹⁴² is an apocalyptic number.

401142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

401142 is an abundant number, since it is smaller than the sum of its proper divisors (515850).

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

401142 is a wasteful number, since it uses less digits than its factorization.

401142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9563.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 401142 is about 633.3577188288. The cubic root of 401142 is about 73.7506827477.

Adding to 401142 its reverse (241104), we get a palindrome (642246).

The spelling of 401142 in words is "four hundred one thousand, one hundred forty-two", and thus it is an iban number.