1078421349 has 8 divisors (see below), whose sum is σ = 1445840032. Its totient is φ = 714975120.

The previous prime is 1078421329. The next prime is 1078421359. The reversal of 1078421349 is 9431248701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1078421349 - 2¹¹ = 1078419301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078421329) 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, 992479 + ... + 993564.

It is an arithmetic number, because the mean of its divisors is an integer number (180730004).

Almost surely, 2^1078421349 is an apocalyptic number.

It is an amenable number.

1078421349 is a deficient number, since it is larger than the sum of its proper divisors (367418683).

1078421349 is a wasteful number, since it uses less digits than its factorization.

1078421349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986227.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1078421349 is about 32839.3262567916. The cubic root of 1078421349 is about 1025.4854251200.

The spelling of 1078421349 in words is "one billion, seventy-eight million, four hundred twenty-one thousand, three hundred forty-nine".