1152027901 has 4 divisors (see below), whose sum is σ = 1152095904. Its totient is φ = 1151959900.

The previous prime is 1152027889. The next prime is 1152027913. The reversal of 1152027901 is 1097202511.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1097202511 = 23 ⋅47704457.

It is an interprime number because it is at equal distance from previous prime (1152027889) and next prime (1152027913).

It is a cyclic number.

It is not a de Polignac number, because 1152027901 - 2⁵ = 1152027869 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 1152027901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152027941) 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, 13986 + ... + 49996.

It is an arithmetic number, because the mean of its divisors is an integer number (288023976).

Almost surely, 2^1152027901 is an apocalyptic number.

It is an amenable number.

1152027901 is a deficient number, since it is larger than the sum of its proper divisors (68003).

1152027901 is an equidigital number, since it uses as much as digits as its factorization.

1152027901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68002.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 1152027901 is about 33941.5365150136. The cubic root of 1152027901 is about 1048.3050207293.

The spelling of 1152027901 in words is "one billion, one hundred fifty-two million, twenty-seven thousand, nine hundred one".