1151442001 has 4 divisors (see below), whose sum is σ = 1153750000. Its totient is φ = 1149134004.

The previous prime is 1151441989. The next prime is 1151442029. The reversal of 1151442001 is 1002441511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1151442001 - 2⁵ = 1151441969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1151442001.

It is not an unprimeable number, because it can be changed into a prime (1151442041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153251 + ... + 1154248.

It is an arithmetic number, because the mean of its divisors is an integer number (288437500).

Almost surely, 2^1151442001 is an apocalyptic number.

It is an amenable number.

1151442001 is a deficient number, since it is larger than the sum of its proper divisors (2307999).

1151442001 is an equidigital number, since it uses as much as digits as its factorization.

1151442001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307998.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1151442001 is about 33932.9043997121. The cubic root of 1151442001 is about 1048.1272744368.

Adding to 1151442001 its reverse (1002441511), we get a palindrome (2153883512).

The spelling of 1151442001 in words is "one billion, one hundred fifty-one million, four hundred forty-two thousand, one".