1154003401 has 4 divisors (see below), whose sum is σ = 1221885972. Its totient is φ = 1086120832.

The previous prime is 1154003393. The next prime is 1154003413. The reversal of 1154003401 is 1043004511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1043004511 = 353 ⋅2954687.

It can be written as a sum of positive squares in 2 ways, for example, as 647753401 + 506250000 = 25451^2 + 22500^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154003401 - 2³ = 1154003393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1154003701) 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 3 ways as a sum of consecutive naturals, for example, 33941260 + ... + 33941293.

It is an arithmetic number, because the mean of its divisors is an integer number (305471493).

Almost surely, 2^1154003401 is an apocalyptic number.

It is an amenable number.

1154003401 is a deficient number, since it is larger than the sum of its proper divisors (67882571).

1154003401 is an equidigital number, since it uses as much as digits as its factorization.

1154003401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67882570.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1154003401 is about 33970.6255609166. The cubic root of 1154003401 is about 1048.9038904702.

Adding to 1154003401 its reverse (1043004511), we get a palindrome (2197007912).

The spelling of 1154003401 in words is "one billion, one hundred fifty-four million, three thousand, four hundred one".