1154020330 has 32 divisors (see below), whose sum is σ = 2095403904. Its totient is φ = 457590336.

The previous prime is 1154020321. The next prime is 1154020381. The reversal of 1154020330 is 330204511.

It is a junction number, because it is equal to n+sod(n) for n = 1154020298 and 1154020307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596044 + ... + 597976.

It is an arithmetic number, because the mean of its divisors is an integer number (65481372).

Almost surely, 2^1154020330 is an apocalyptic number.

1154020330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1154020330 is a deficient number, since it is larger than the sum of its proper divisors (941383574).

1154020330 is a wasteful number, since it uses less digits than its factorization.

1154020330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1154020330 is about 33970.8747311576. The cubic root of 1154020330 is about 1048.9090195155.

Adding to 1154020330 its reverse (330204511), we get a palindrome (1484224841).

The spelling of 1154020330 in words is "one billion, one hundred fifty-four million, twenty thousand, three hundred thirty".