1249698294 has 40 divisors (see below), whose sum is σ = 3015658800. Its totient is φ = 384521904.

The previous prime is 1249698287. The next prime is 1249698299. The reversal of 1249698294 is 4928969421.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1249698294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249698299) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 294594 + ... + 298805.

It is an arithmetic number, because the mean of its divisors is an integer number (75391470).

Almost surely, 2^1249698294 is an apocalyptic number.

1249698294 is an abundant number, since it is smaller than the sum of its proper divisors (1765960506).

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

1249698294 is a wasteful number, since it uses less digits than its factorization.

1249698294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593426 (or 593417 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 1249698294 is about 35351.0720346640. The cubic root of 1249698294 is about 1077.1306705925.

The spelling of 1249698294 in words is "one billion, two hundred forty-nine million, six hundred ninety-eight thousand, two hundred ninety-four".