1020140241 has 8 divisors (see below), whose sum is σ = 1360773504. Its totient is φ = 679800240.

The previous prime is 1020140203. The next prime is 1020140257. The reversal of 1020140241 is 1420410201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020140241 - 2⁷ = 1020140113 is a prime.

It is a super-2 number, since 2×1020140241² = 2081372222615076162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020140241.

It is not an unprimeable number, because it can be changed into a prime (1020140291) 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, 65065 + ... + 79206.

It is an arithmetic number, because the mean of its divisors is an integer number (170096688).

Almost surely, 2^1020140241 is an apocalyptic number.

It is an amenable number.

1020140241 is a deficient number, since it is larger than the sum of its proper divisors (340633263).

1020140241 is a wasteful number, since it uses less digits than its factorization.

1020140241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146631.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1020140241 is about 31939.6343279005. The cubic root of 1020140241 is about 1006.6688413595.

Adding to 1020140241 its reverse (1420410201), we get a palindrome (2440550442).

The spelling of 1020140241 in words is "one billion, twenty million, one hundred forty thousand, two hundred forty-one".