1154020035 has 16 divisors (see below), whose sum is σ = 2110208256. Its totient is φ = 527551968.

The previous prime is 1154020031. The next prime is 1154020051. The reversal of 1154020035 is 5300204511.

It is not a de Polignac number, because 1154020035 - 2² = 1154020031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1154019993 and 1154020020.

It is not an unprimeable number, because it can be changed into a prime (1154020031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5495229 + ... + 5495438.

It is an arithmetic number, because the mean of its divisors is an integer number (131888016).

Almost surely, 2^1154020035 is an apocalyptic number.

1154020035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1154020035 is a deficient number, since it is larger than the sum of its proper divisors (956188221).

1154020035 is a wasteful number, since it uses less digits than its factorization.

1154020035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990682.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1154020035 is about 33970.8703892026. The cubic root of 1154020035 is about 1048.9089301386.

Adding to 1154020035 its reverse (5300204511), we get a palindrome (6454224546).

The spelling of 1154020035 in words is "one billion, one hundred fifty-four million, twenty thousand, thirty-five".