1148501420 has 48 divisors (see below), whose sum is σ = 2635361568. Its totient is φ = 416962560.

The previous prime is 1148501407. The next prime is 1148501441. The reversal of 1148501420 is 241058411.

It is a self number, because there is not a number n which added to its sum of digits gives 1148501420.

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, 144182 + ... + 151938.

It is an arithmetic number, because the mean of its divisors is an integer number (54903366).

Almost surely, 2^1148501420 is an apocalyptic number.

1148501420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1148501420 is an abundant number, since it is smaller than the sum of its proper divisors (1486860148).

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

1148501420 is a wasteful number, since it uses less digits than its factorization.

1148501420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8450 (or 8448 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 1148501420 is about 33889.5473560802. The cubic root of 1148501420 is about 1047.2342693782.

Adding to 1148501420 its reverse (241058411), we get a palindrome (1389559831).

The spelling of 1148501420 in words is "one billion, one hundred forty-eight million, five hundred one thousand, four hundred twenty".