1020141 has 8 divisors (see below), whose sum is σ = 1511360. Its totient is φ = 680076.

The previous prime is 1020137. The next prime is 1020143. The reversal of 1020141 is 1410201.

It is a happy number.

It is not a de Polignac number, because 1020141 - 2² = 1020137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18865 + ... + 18918.

It is an arithmetic number, because the mean of its divisors is an integer number (188920).

2^1020141 is an apocalyptic number.

It is an amenable number.

1020141 is a deficient number, since it is larger than the sum of its proper divisors (491219).

1020141 is an equidigital number, since it uses as much as digits as its factorization.

1020141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37792 (or 37786 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1020141 is about 1010.0202968258. The cubic root of 1020141 is about 100.6669091018. Note that the first 3 decimals are identical.

Adding to 1020141 its reverse (1410201), we get a palindrome (2430342).

The spelling of 1020141 in words is "one million, twenty thousand, one hundred forty-one".