1151243601 has 8 divisors (see below), whose sum is σ = 1570689120. Its totient is φ = 749646912.

The previous prime is 1151243591. The next prime is 1151243603. The reversal of 1151243601 is 1063421511.

It is a happy number.

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

It is not a de Polignac number, because 1151243601 - 2⁷ = 1151243473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1151243603) 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, 4462056 + ... + 4462313.

It is an arithmetic number, because the mean of its divisors is an integer number (196336140).

Almost surely, 2^1151243601 is an apocalyptic number.

It is an amenable number.

1151243601 is a deficient number, since it is larger than the sum of its proper divisors (419445519).

1151243601 is an equidigital number, since it uses as much as digits as its factorization.

1151243601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8924415.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1151243601 is about 33929.9808576427. The cubic root of 1151243601 is about 1048.0670715504.

The spelling of 1151243601 in words is "one billion, one hundred fifty-one million, two hundred forty-three thousand, six hundred one".