1154052201 has 16 divisors (see below), whose sum is σ = 1555329600. Its totient is φ = 761116608.

The previous prime is 1154052197. The next prime is 1154052217. The reversal of 1154052201 is 1022504511.

It is not a de Polignac number, because 1154052201 - 2² = 1154052197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1154052281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100335 + ... + 111243.

It is an arithmetic number, because the mean of its divisors is an integer number (97208100).

Almost surely, 2^1154052201 is an apocalyptic number.

It is an amenable number.

1154052201 is a deficient number, since it is larger than the sum of its proper divisors (401277399).

1154052201 is a wasteful number, since it uses less digits than its factorization.

1154052201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11288.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1154052201 is about 33971.3438209324. The cubic root of 1154052201 is about 1048.9186754608.

Adding to 1154052201 its reverse (1022504511), we get a palindrome (2176556712).

The spelling of 1154052201 in words is "one billion, one hundred fifty-four million, fifty-two thousand, two hundred one".