1274097990 has 32 divisors (see below), whose sum is σ = 3335821056. Its totient is φ = 308872160.

The previous prime is 1274097983. The next prime is 1274098013. The reversal of 1274097990 is 997904721.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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, 1930122 + ... + 1930781.

It is an arithmetic number, because the mean of its divisors is an integer number (104244408).

Almost surely, 2^1274097990 is an apocalyptic number.

1274097990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1274097990 is an abundant number, since it is smaller than the sum of its proper divisors (2061723066).

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

1274097990 is a wasteful number, since it uses less digits than its factorization.

1274097990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860924.

The product of its (nonzero) digits is 285768, while the sum is 48.

The square root of 1274097990 is about 35694.5092416187. The cubic root of 1274097990 is about 1084.0956709677.

The spelling of 1274097990 in words is "one billion, two hundred seventy-four million, ninety-seven thousand, nine hundred ninety".