1210402945 has 16 divisors (see below), whose sum is σ = 1518371712. Its totient is φ = 924549120.

The previous prime is 1210402933. The next prime is 1210402969. The reversal of 1210402945 is 5492040121.

It is not a de Polignac number, because 1210402945 - 2⁹ = 1210402433 is a prime.

It is a Duffinian 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, 56449 + ... + 74881.

It is an arithmetic number, because the mean of its divisors is an integer number (94898232).

Almost surely, 2^1210402945 is an apocalyptic number.

It is an amenable number.

1210402945 is a deficient number, since it is larger than the sum of its proper divisors (307968767).

1210402945 is a wasteful number, since it uses less digits than its factorization.

1210402945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19032.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1210402945 is about 34790.8457068810. The cubic root of 1210402945 is about 1065.7205098904.

The spelling of 1210402945 in words is "one billion, two hundred ten million, four hundred two thousand, nine hundred forty-five".