1190913420 has 48 divisors (see below), whose sum is σ = 3449547360. Its totient is φ = 306625536.

The previous prime is 1190913419. The next prime is 1190913421. The reversal of 1190913420 is 243190911.

It is an interprime number because it is at equal distance from previous prime (1190913419) and next prime (1190913421).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1190913421) 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, 340477 + ... + 343956.

It is an arithmetic number, because the mean of its divisors is an integer number (71865570).

Almost surely, 2^1190913420 is an apocalyptic number.

1190913420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1190913420 is an abundant number, since it is smaller than the sum of its proper divisors (2258633940).

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

1190913420 is a wasteful number, since it uses less digits than its factorization.

1190913420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684474 (or 684472 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1190913420 is about 34509.6134432132. The cubic root of 1190913420 is about 1059.9695671813.

The spelling of 1190913420 in words is "one billion, one hundred ninety million, nine hundred thirteen thousand, four hundred twenty".