1254215011 has 16 divisors (see below), whose sum is σ = 1474303936. Its totient is φ = 1044441216.

The previous prime is 1254214991. The next prime is 1254215041. The reversal of 1254215011 is 1105124521.

It is not a de Polignac number, because 1254215011 - 2¹⁵ = 1254182243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1254215041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192865 + ... + 199261.

It is an arithmetic number, because the mean of its divisors is an integer number (92143996).

Almost surely, 2^1254215011 is an apocalyptic number.

1254215011 is a deficient number, since it is larger than the sum of its proper divisors (220088925).

1254215011 is an equidigital number, since it uses as much as digits as its factorization.

1254215011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7198.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1254215011 is about 35414.8981503547. The cubic root of 1254215011 is about 1078.4267820777.

Adding to 1254215011 its reverse (1105124521), we get a palindrome (2359339532).

The spelling of 1254215011 in words is "one billion, two hundred fifty-four million, two hundred fifteen thousand, eleven".