1121420201 has 8 divisors (see below), whose sum is σ = 1235980704. Its totient is φ = 1008961920.

The previous prime is 1121420189. The next prime is 1121420207. The reversal of 1121420201 is 1020241211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1121420201 - 2⁶ = 1121420137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121420207) 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, 524435 + ... + 526568.

It is an arithmetic number, because the mean of its divisors is an integer number (154497588).

Almost surely, 2^1121420201 is an apocalyptic number.

1121420201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121420201 is a deficient number, since it is larger than the sum of its proper divisors (114560503).

1121420201 is a wasteful number, since it uses less digits than its factorization.

1121420201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051111.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1121420201 is about 33487.6126500532. The cubic root of 1121420201 is about 1038.9375864722.

Adding to 1121420201 its reverse (1020241211), we get a palindrome (2141661412).

The spelling of 1121420201 in words is "one billion, one hundred twenty-one million, four hundred twenty thousand, two hundred one".