1201401141 has 12 divisors (see below), whose sum is σ = 1690615872. Its totient is φ = 758778984.

The previous prime is 1201401119. The next prime is 1201401287. The reversal of 1201401141 is 1411041021.

It is not a de Polignac number, because 1201401141 - 2⁵ = 1201401109 is a prime.

It is a super-2 number, since 2×1201401141² = 2886729403192203762, 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 1201401141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201401041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 553581 + ... + 555746.

It is an arithmetic number, because the mean of its divisors is an integer number (140884656).

Almost surely, 2^1201401141 is an apocalyptic number.

It is an amenable number.

1201401141 is a deficient number, since it is larger than the sum of its proper divisors (489214731).

1201401141 is a wasteful number, since it uses less digits than its factorization.

1201401141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109368 (or 1109349 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1201401141 is about 34661.2339797648. The cubic root of 1201401141 is about 1063.0720012281.

Adding to 1201401141 its reverse (1411041021), we get a palindrome (2612442162).

The spelling of 1201401141 in words is "one billion, two hundred one million, four hundred one thousand, one hundred forty-one".