1210390497 has 48 divisors (see below), whose sum is σ = 1958074560. Its totient is φ = 716000256.

The previous prime is 1210390471. The next prime is 1210390499. The reversal of 1210390497 is 7940930121.

It is a de Polignac number, because none of the positive numbers 2^k-1210390497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210390499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 676438 + ... + 678224.

It is an arithmetic number, because the mean of its divisors is an integer number (40793220).

Almost surely, 2^1210390497 is an apocalyptic number.

1210390497 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1210390497 is a deficient number, since it is larger than the sum of its proper divisors (747684063).

1210390497 is a wasteful number, since it uses less digits than its factorization.

1210390497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062 (or 2059 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1210390497 is about 34790.6668087865. Note that the first 3 decimals coincide. The cubic root of 1210390497 is about 1065.7168565245.

The spelling of 1210390497 in words is "one billion, two hundred ten million, three hundred ninety thousand, four hundred ninety-seven".