1154103042 has 32 divisors (see below), whose sum is σ = 2361902400. Its totient is φ = 375837120.

The previous prime is 1154103019. The next prime is 1154103043. The reversal of 1154103042 is 2403014511.

It is not an unprimeable number, because it can be changed into a prime (1154103043) 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, 43953 + ... + 65115.

It is an arithmetic number, because the mean of its divisors is an integer number (73809450).

Almost surely, 2^1154103042 is an apocalyptic number.

1154103042 is an abundant number, since it is smaller than the sum of its proper divisors (1207799358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1154103042 is a wasteful number, since it uses less digits than its factorization.

1154103042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21378.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1154103042 is about 33972.0921051383. The cubic root of 1154103042 is about 1048.9340783722.

Adding to 1154103042 its reverse (2403014511), we get a palindrome (3557117553).

It can be divided in two parts, 1154 and 103042, that added together give a triangular number (104196 = T₄₅₆).

The spelling of 1154103042 in words is "one billion, one hundred fifty-four million, one hundred three thousand, forty-two".