1149420603 has 8 divisors (see below), whose sum is σ = 1551025728. Its totient is φ = 757047944.

The previous prime is 1149420589. The next prime is 1149420611. The reversal of 1149420603 is 3060249411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1149420603 - 2¹⁴ = 1149404219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1149420683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2307825 + ... + 2308322.

It is an arithmetic number, because the mean of its divisors is an integer number (193878216).

Almost surely, 2^1149420603 is an apocalyptic number.

1149420603 is a deficient number, since it is larger than the sum of its proper divisors (401605125).

1149420603 is an equidigital number, since it uses as much as digits as its factorization.

1149420603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616233.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1149420603 is about 33903.1060966396. The cubic root of 1149420603 is about 1047.5135734158.

The spelling of 1149420603 in words is "one billion, one hundred forty-nine million, four hundred twenty thousand, six hundred three".