1210945141 has 8 divisors (see below), whose sum is σ = 1431659520. Its totient is φ = 1002161328.

The previous prime is 1210945129. The next prime is 1210945171. The reversal of 1210945141 is 1415490121.

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

It is a de Polignac number, because none of the positive numbers 2^k-1210945141 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 (1210945121) 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, 2982421 + ... + 2982826.

It is an arithmetic number, because the mean of its divisors is an integer number (178957440).

Almost surely, 2^1210945141 is an apocalyptic number.

It is an amenable number.

1210945141 is a deficient number, since it is larger than the sum of its proper divisors (220714379).

1210945141 is an equidigital number, since it uses as much as digits as its factorization.

1210945141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5965283.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1210945141 is about 34798.6370566435. The cubic root of 1210945141 is about 1065.8796147963.

The spelling of 1210945141 in words is "one billion, two hundred ten million, nine hundred forty-five thousand, one hundred forty-one".