1197381490 has 16 divisors (see below), whose sum is σ = 2162907648. Its totient is φ = 477259056.

The previous prime is 1197381481. The next prime is 1197381491. The reversal of 1197381490 is 941837911.

It is not an unprimeable number, because it can be changed into a prime (1197381491) 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, 208722 + ... + 214381.

It is an arithmetic number, because the mean of its divisors is an integer number (135181728).

Almost surely, 2^1197381490 is an apocalyptic number.

1197381490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1197381490 is a deficient number, since it is larger than the sum of its proper divisors (965526158).

1197381490 is a wasteful number, since it uses less digits than its factorization.

1197381490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423393.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 1197381490 is about 34603.2005745133. The cubic root of 1197381490 is about 1061.8850668224.

The spelling of 1197381490 in words is "one billion, one hundred ninety-seven million, three hundred eighty-one thousand, four hundred ninety".