1341201021 has 8 divisors (see below), whose sum is σ = 1789406880. Its totient is φ = 893564592.

The previous prime is 1341200999. The next prime is 1341201053. The reversal of 1341201021 is 1201021431.

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

It is not a de Polignac number, because 1341201021 - 2⁵ = 1341200989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341201221) 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 7 ways as a sum of consecutive naturals, for example, 136830 + ... + 146303.

It is an arithmetic number, because the mean of its divisors is an integer number (223675860).

Almost surely, 2^1341201021 is an apocalyptic number.

It is an amenable number.

1341201021 is a deficient number, since it is larger than the sum of its proper divisors (448205859).

1341201021 is a wasteful number, since it uses less digits than its factorization.

1341201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284715.

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

The square root of 1341201021 is about 36622.4114580130. The cubic root of 1341201021 is about 1102.8030497483.

Adding to 1341201021 its reverse (1201021431), we get a palindrome (2542222452).

The spelling of 1341201021 in words is "one billion, three hundred forty-one million, two hundred one thousand, twenty-one".