1144121001 has 8 divisors (see below), whose sum is σ = 1531573344. Its totient is φ = 759708000.

The previous prime is 1144120951. The next prime is 1144121003. The reversal of 1144121001 is 1001214411.

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

It is not a de Polignac number, because 1144121001 - 2¹⁷ = 1143989929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1144121003) 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, 758956 + ... + 760461.

It is an arithmetic number, because the mean of its divisors is an integer number (191446668).

Almost surely, 2^1144121001 is an apocalyptic number.

It is an amenable number.

1144121001 is a deficient number, since it is larger than the sum of its proper divisors (387452343).

1144121001 is a wasteful number, since it uses less digits than its factorization.

1144121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519671.

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

The square root of 1144121001 is about 33824.8577380600. The cubic root of 1144121001 is about 1045.9011787770.

Adding to 1144121001 its reverse (1001214411), we get a palindrome (2145335412).

The spelling of 1144121001 in words is "one billion, one hundred forty-four million, one hundred twenty-one thousand, one".