1426920097 has 4 divisors (see below), whose sum is σ = 1427312260. Its totient is φ = 1426527936.

The previous prime is 1426920073. The next prime is 1426920101. The reversal of 1426920097 is 7900296241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 449482401 + 977437696 = 21201^2 + 31264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1426920097 is a prime.

It is a super-2 number, since 2×1426920097² = 4072201926444978818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426920037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190572 + ... + 197917.

It is an arithmetic number, because the mean of its divisors is an integer number (356828065).

Almost surely, 2^1426920097 is an apocalyptic number.

It is an amenable number.

1426920097 is a deficient number, since it is larger than the sum of its proper divisors (392163).

1426920097 is an equidigital number, since it uses as much as digits as its factorization.

1426920097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392162.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1426920097 is about 37774.5959210684. The cubic root of 1426920097 is about 1125.8137577693.

The spelling of 1426920097 in words is "one billion, four hundred twenty-six million, nine hundred twenty thousand, ninety-seven".