1341120021 has 16 divisors (see below), whose sum is σ = 1895071104. Its totient is φ = 840720384.

The previous prime is 1341119999. The next prime is 1341120031. The reversal of 1341120021 is 1200211431.

It is not a de Polignac number, because 1341120021 - 2⁶ = 1341119957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341120031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47400 + ... + 70206.

It is an arithmetic number, because the mean of its divisors is an integer number (118441944).

Almost surely, 2^1341120021 is an apocalyptic number.

It is an amenable number.

1341120021 is a deficient number, since it is larger than the sum of its proper divisors (553951083).

1341120021 is a wasteful number, since it uses less digits than its factorization.

1341120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23980.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1341120021 is about 36621.3055611075. The cubic root of 1341120021 is about 1102.7808485410.

Adding to 1341120021 its reverse (1200211431), we get a palindrome (2541331452).

The spelling of 1341120021 in words is "one billion, three hundred forty-one million, one hundred twenty thousand, twenty-one".