1264397094 has 32 divisors (see below), whose sum is σ = 2814428640. Its totient is φ = 420767136.

The previous prime is 1264397089. The next prime is 1264397107. The reversal of 1264397094 is 4907934621.

It is a happy number.

1264397094 is a `hidden beast` number, since 126 + 439 + 7 + 0 + 94 = 666.

It is a super-2 number, since 2×1264397094² = 3197400022631289672, which contains 22 as substring.

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, 14004 + ... + 52200.

It is an arithmetic number, because the mean of its divisors is an integer number (87950895).

Almost surely, 2^1264397094 is an apocalyptic number.

1264397094 is an abundant number, since it is smaller than the sum of its proper divisors (1550031546).

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

1264397094 is a wasteful number, since it uses less digits than its factorization.

1264397094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38821 (or 38815 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 1264397094 is about 35558.3618014104. The cubic root of 1264397094 is about 1081.3372478674.

The spelling of 1264397094 in words is "one billion, two hundred sixty-four million, three hundred ninety-seven thousand, ninety-four".