1226615042 has 16 divisors (see below), whose sum is σ = 1959046560. Its totient is φ = 574003008.

The previous prime is 1226615021. The next prime is 1226615051. The reversal of 1226615042 is 2405166221.

It is a super-2 number, since 2×1226615042² = 3009168922521323528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1226614996 and 1226615014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94688 + ... + 106859.

It is an arithmetic number, because the mean of its divisors is an integer number (122440410).

Almost surely, 2^1226615042 is an apocalyptic number.

1226615042 is a deficient number, since it is larger than the sum of its proper divisors (732431518).

1226615042 is a wasteful number, since it uses less digits than its factorization.

1226615042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201745.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1226615042 is about 35023.0644290302. The cubic root of 1226615042 is about 1070.4574984819.

The spelling of 1226615042 in words is "one billion, two hundred twenty-six million, six hundred fifteen thousand, forty-two".